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Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

1

Solution

92

Size

1

Solution

92

Size

Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

Tags prime numbers, cody5, safe prime

2

Solutions

76

Size

2

Solutions

76

Size

Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

1

Solution

68

Size

1

Solution

68

Size

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

1

Solution

51

Size

1

Solution

51

Size

Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

Tags primes, projecteuler, circular reasoning

1

Solution

146

Size

1

Solution

146

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

31

Size

1

Solution

31

Size

Problem 2736. Pernicious Anniversary Problem

Created by: Jan Orwat

Tags easy, sequences, oeis

1

Solution

22

Size

1

Solution

22

Size

Problem 44748. Amicable numbers

Created by: vandeleeuw

Tags number theory, divisors

1

Solution

61

Size

1

Solution

61

Size

Problem 1407. Is it an Armstrong number?

Created by: Harish Maradana

Tags armstrong no

1

Solution

29

Size

1

Solution

29

Size

Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

Tags narcissistic

1

Solution

35

Size

1

Solution

35

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

1

Solution

60

Size

1

Solution

60

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

1

Solution

32

Size

1

Solution

32

Size

Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

Tags mod sum, perfect

1

Solution

39

Size

1

Solution

39

Size

Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

2

Solutions

78

Size

2

Solutions

78

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

1

Solution

43

Size

1

Solution

43

Size

Problem 165. Woodall number

Created by: the cyclist

Tags woodall number theory

1

Solution

56

Size

1

Solution

56

Size

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

1

Solution

100

Size

1

Solution

100

Size

Problem 1804. Fangs of a vampire number

Created by: Andrew Newell

Tags factors, number theory

1

Solution

85

Size

1

Solution

85

Size

Problem 45194. Cantor counting

Created by: Asif Newaz

Tags cantor, rational number

1

Solution

83

Size

1

Solution

83

Size

Problem 45229. Bell Triangle

Created by: Asif Newaz

Tags number, matrix, Magic Numbers

1

Solution

67

Size

1

Solution

67

Size

Problem 55650. Basic Mathematics 1

Created by: Tanya Kuruvilla

Tags math

1

Solution

27

Size

1

Solution

27

Size

Problem 55635. Linear Motion 7

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

26

Size

1

Solution

26

Size

Problem 55625. Linear Motion 6

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

25

Size

1

Solution

25

Size

Problem 55620. Linear Motion 5

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

23

Size

1

Solution

23

Size

Problem 55615. Linear Motion 4

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

25

Size

1

Solution

25

Size

Problem 55610. Linear Motion 3

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

19

Size

1

Solution

19

Size

Problem 55605. Linear Motion 2

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

20

Size

1

Solution

20

Size

Problem 55600. Linear Motion 1

Created by: Tanya Kuruvilla

Tags motion, linear motion

1

Solution

10

Size

1

Solution

10

Size

Problem 55540. Calculate load on arm 1

Created by: Tanya Kuruvilla

Tags torque, lever, equilibrium

1

Solution

28

Size

1

Solution

28

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

1

Solution

18

Size

1

Solution

18

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

1

Solution

19

Size

1

Solution

19

Size

Problem 1545. Return area of square

Created by: Marek Kuklis

Tags matlab, basic matlab, <h1>test

1

Solution

12

Size

1

Solution

12

Size

Problem 44944. Convert from Fahrenheit to Celsius

Created by: Pooja Lalan

Tags matrix manipulation

1

Solution

17

Size

1

Solution

17

Size

Problem 49087. Energy Conversion 2

Created by: Doddy Kastanya

Tags easy, conversion, energy

1

Solution

12

Size

1

Solution

12

Size

Problem 55405. Current through resistor

Created by: Tanya Kuruvilla

Tags electrical, resistance, current

1

Solution

74

Size

1

Solution

74

Size

Problem 55400. Calculate Parallel Resistance

Created by: Tanya Kuruvilla

Tags electrical, resistance

1

Solution

35

Size

1

Solution

35

Size

Problem 55395. Resistance of a light bulb

Created by: Tanya Kuruvilla

Tags electrical, resistance

1

Solution

16

Size

1

Solution

16

Size

Problem 42998. Electrical Diode Current Calculation

Created by: Philip Brown

Tags rutgers, homework

1

Solution

35

Size

1

Solution

35

Size

Problem 45209. An Ohm's Law Calculator

Created by: Ali

Tags electrical, calculator, engineering

1

Solution

13

Size

1

Solution

13

Size

Problem 48905. Potential energy calculation

Created by: Chinmaya

Tags physics

1

Solution

15

Size

1

Solution

15

Size

Problem 49077. Velocity Conversion

Created by: Doddy Kastanya

Tags easy, conversion, velocity

1

Solution

15

Size

1

Solution

15

Size

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

1

Solution

13

Size

1

Solution

13

Size

Problem 48685. Laws of motion 3

Created by: Chinmaya

Tags physics

1

Solution

28

Size

1

Solution

28

Size

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

1

Solution

12

Size

1

Solution

12

Size

Problem 44360. Pentagonal Numbers

Created by: goc3

Tags series, number, sequence

1

Solution

71

Size

1

Solution

71

Size

Problem 44375. Missing five

Created by: Alfonso Nieto-Castanon

Tags cody5

1

Solution

64

Size

1

Solution

64

Size

Problem 44369. Circle/Pentagon Overlap

Created by: goc3

Tags geometry, circle, radius

1

Solution

37

Size

1

Solution

37

Size

Problem 563. How to add?

Created by: AMITAVA BISWAS

Tags string, arithmetic, add

1

Solution

129

Size

1

Solution

129

Size

Problem 55675. Basic Mathematics 4

Created by: Tanya Kuruvilla

Tags algebra

1

Solution

22

Size

1

Solution

22

Size

Problem 564. How to subtract?

Created by: AMITAVA BISWAS

Tags addition, cody5, X-Y

4

Solutions

43

Size

4

Solutions

43

Size

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