%I A133596
%S A133596 0,1,2,6,32,280,3192,43344,690496,12726144,266222880,6222163200,
%T A133596 160658284800,4542751030272,139616399952512,4634016219678720,
%U A133596 165191949394008064,6294553527003086848,255316547059075256832
%N A133596 E.g.f. satisfies: A(x) = x*(sinh(sinh(A(x)))+1).
%p A133596 A:= proc(n) option remember; if n=0 then 0 else convert (series (x* (sinh 
               (sinh(A(n-1)))+1), x=0, n+1), polynom) fi end: a:= n-> coeff (A(n), 
               x, n)*n!: seq (a(n), n=0..23);
%Y A133596 Sequence in context: A012521 A012324 A121676 this_sequence A088437 A005736 
               A123903
%Y A133596 Adjacent sequences: A133593 A133594 A133595 this_sequence A133597 A133598 
               A133599
%K A133596 nonn
%O A133596 0,3
%A A133596 Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 27 2008