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A050822 Odd numbers in Hofstadter Q-sequence a(n)=a(n-a(n-1))+a(n-a(n-2)). 0

%I #5 Oct 12 2013 15:29:29

%S 1,1,3,3,5,5,9,11,11,17,17,21,19,21,23,23,25,33,31,35,33,39,37,39,39,

%T 41,43,43,43,45,47,47,41,53,55,61,57,71,63,73,63,71,61,71,77,65,71,69,

%U 77,75,73,77,79,79,75,77,83,83,85,85,83,87,87,87,91,93,115,93,101,111

%N Odd numbers in Hofstadter Q-sequence a(n)=a(n-a(n-1))+a(n-a(n-2)).

%Y Cf. A005185.

%K nonn,easy

%O 1,3

%A _Mohammad K. Azarian_

%E More terms from _James A. Sellers_

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Last modified July 23 21:46 EDT 2024. Contains 374575 sequences. (Running on oeis4.)