%I #12 Sep 11 2018 21:23:00
%S 1,2,3,7,33,61,328,3095,7045,30145,212016,3862255,10092998,52268061,
%T 256785740,2618368009,80483017741,246673367497,1454085687760,
%U 7890538177343,54136806043810,685204537622497,35095310513256280
%N "CGJ" (necklace, element, labeled) transform of 2,1,1,1...
%H Andrew Howroyd, <a href="/A032148/b032148.txt">Table of n, a(n) for n = 0..200</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)=[subst(serlaplace(p/y),y,1) | p <- Vec(y-1+serlaplace((1 + x*y)*prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))))] \\ _Andrew Howroyd_, Sep 11 2018
%K nonn
%O 0,2
%A _Christian G. Bower_
%E a(0)=1 prepended by _Andrew Howroyd_, Sep 11 2018