Problem 60286. Hofstadter Q sequence

• Created by minnolina
• Appears in Draw numbers!

×

Like (1)

Difficulty:

(169)

Rate

• Solve Later   
• Add To GroupÂ

The Hofstadter Q sequence is defined as follows:

The first elements of the sequence are 1, 1, 2, 3, 3, 4, 5, 5, 6, 6.

Write a function to compute for a given n.

See https://oeis.org/A005185

Solve

Solution Stats

77.27% Correct | 22.73% Incorrect

• 22 Solutions
• 16 Solvers

Last Solution submitted on Feb 28, 2025

Last 200 Solutions

Solution Comments

ANNOUNCEMENT ×

Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025

Hello Community, We're excited to announce that registration is now open for the...

Problem Recent Solvers16

Suggested Problems

• Quote Doubler

  3329 Solvers

• The Hitchhiker's Guide to MATLAB

  3330 Solvers

• middleAsColumn: Return all but first and last element as a column vector

  613 Solvers

• Matrix to column conversion

  355 Solvers

• Area of an Isoceles Triangle

  5713 Solvers

More from this Author53

• Normalizing a vector

  35 Solvers

• Circular Segment Area

  14 Solvers

• Hofstadter G sequence

  10 Solvers

• Reversing Maximal Ascending Subsequences

  8 Solvers

• Min-Max digit

  40 Solvers