%I #9 Jun 21 2018 15:02:44
%S 1,1,3,8,12,31,71,128,230,555,1437,2248,4646,8137,18279,49590,76264,
%T 144351,264615,474526,953766,2712603,3931785,7491022,12745506,
%U 23133569,38434487,76679812,208933080,301358215,553702323
%N "CFK" (necklace, size, unlabeled) transform of 1,3,5,7...
%H Andrew Howroyd, <a href="/A032142/b032142.txt">Table of n, a(n) for n = 0..1000</a>
%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%H <a href="/index/Lu#Lyndon">Index entries for sequences related to Lyndon words</a>
%o (PARI) seq(n)={apply(p->subst(serlaplace(p/y), y, 1), Vec(y-1+prod(k=1, n, 1 + (2*k-1)*x^k*y + O(x*x^n))))} \\ _Andrew Howroyd_, Jun 21 2018
%K nonn
%O 0,3
%A _Christian G. Bower_
%E a(0)=1 prepended by _Andrew Howroyd_, Jun 21 2018