Sum of series V
What is the sum of the following sequence:
Σk(k+1) for k=1...n
for different n?
3 years ago
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Sum of series I
What is the sum of the following sequence:
Σ(2k-1) for k=1...n
for different n?
3 years ago
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Sum of series IV
What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
3 years ago
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Sum of series III
What is the sum of the following sequence:
Σ(2k-1)^3 for k=1...n
for different n?
3 years ago
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Sum of series II
What is the sum of the following sequence:
Σ(2k-1)^2 for k=1...n
for different n?
3 years ago
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Sum of series
a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
a(1)+a(2)+...+a(n)
3 years ago
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Lunar Arithmetic (Multiplication)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic>
Simply take the larger digit when adding and take ...
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Lunar Arithmetic (Addition)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic>
Simply take the larger digit.
Example 1:
...
3 years ago
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Exponentiation
Given 3 integers b,e,k; find --
mod(b^e,k)
3 years ago
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The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0.
From that place, it can jump either in the +ve direct...
3 years ago
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King's Cage
Given the position of the king on the chessboard, determine the minimum number of steps it'll require to reach the destination.
...
3 years ago
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Times 2 - START HERE
Try out this test problem first.
Given the variable x as your input, multiply it by two and put the result in y.
Examples:...