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A156724 a(n)=A156253(2n)-A156251(2n) 0

%I #2 Mar 30 2012 18:39:28

%S 1,1,1,3,3,3,3,5,5,5,7,7,9,9,9,9,11,11,13,13,13,15,15,17,17,17,17,19,

%T 19,19,21,21,21,21,23,23,25,25,27,27,27,27,27,29,29,31,31,31,31,31,33,

%U 33,35,35,37,37,37,37,39,39,39,41,41,41,43,43,43,43,45,45,45,47,47,49,49

%N a(n)=A156253(2n)-A156251(2n)

%C a(n) is odd.

%F a(n) is expected to be asymptotic to 2n/3.

%K nonn

%O 1,4

%A _Benoit Cloitre_, Feb 14 2009

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)