%I #9 Sep 13 2018 15:46:35

%S 1,1,2,5,8,17,34,63,130,255,512,1011,2054,4057,7990,16261,31870,63341,

%T 124692,247123,487028,952439,1866764,3640427,7134760,13808661,

%U 26792704,51847089,100150988,192939285,370315400

%N "CGK" (necklace, element, unlabeled) transform of 1,2,3,4,...

%H Andrew Howroyd, <a href="/A032158/b032158.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Lu#Lyndon">Index entries for sequences related to Lyndon words</a>

%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>

%o (PARI) seq(n)=[subst(serlaplace(p/y),y,1) | p <- Vec(y-1+prod(k=1, n, (1 + x^k*y + O(x*x^n))^k))] \\ _Andrew Howroyd_, Sep 13 2018

%K nonn

%O 0,3

%A _Christian G. Bower_