%I A151565
%S A151565 1,1,2,2,2,2,4,4,2,2,4,4,4,4,8,8,2,2,4,4,4,4,8,8,4,4,8,8,8,8,16,16,2,2,
%T A151565 4,4,4,4,8,8,4,4,8,8,8,8,16,16,4,4,8,8,8,8,16,16,8,8,16,16,16,16,32,32,
%U A151565 2,2,4,4,4,4,8,8,4,4,8,8,8,8,16,16,4,4,8,8,8,8,16,16,8,8,16,16,16,16,32
%N A151565 First differences of A151566.
%C A151565 Sequence gives number of toothpicks added at the n-th generation of the 
               leftist toothpick sequence A151566.
%C A151565 Also, numbers of Gould's sequence (A001316), repeated. [From Omar E. 
               Pol (info(AT)polprimos.com), Jun 12 2009]
%F A151565 a(n) = A001316( floor((n-1)/2) ).
%F A151565 a(n) = A060632(n-1), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jul 07 2009]
%Y A151565 Cf. A001316, A139251, A151566, A160407. [From Omar E. Pol (info(AT)polprimos.com), 
               Jun 12 2009]
%Y A151565 Sequence in context: A122386 A051464 A060632 this_sequence A160407 A007457 
               A119802
%Y A151565 Adjacent sequences: A151562 A151563 A151564 this_sequence A151566 A151567 
               A151568
%K A151565 nonn,easy
%O A151565 1,3
%A A151565 N. J. A. Sloane (njas(AT)research.att.com), May 23 2009, May 24 2009