Problem 60286. Hofstadter Q sequence

• Created by minnolina

×

Like (1)

Difficulty:

(18)

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

• Make a checkerboard matrix

  15927 Solvers

• Return the 3n+1 sequence for n

  8355 Solvers

• Finding Perfect Squares

  19446 Solvers

• Implement a ROT13 cipher

  1682 Solvers

• Volume difference between Ellipsoid and Sphere

  129 Solvers

More from this Author53

• Sort by absolute value

  28 Solvers

• Sort Except Zeros

  33 Solvers

• Normalizing a vector

  35 Solvers

• Replace with Lower

  13 Solvers

• Find the nearest value to the given one

  34 Solvers