%I #5 Jun 26 2013 10:49:27
%S 1,3,16,124,1266,16081,244798,4349556,88445899,2027133271,51732933726,
%T 1455469821763,44769397616386,1495012542977409,53873142910303291,
%U 2083965434325009511,86141049679863875223,3789452627584599490156
%N E.g.f.: exp(1-(-1+2*(1-2*x)^(1/2))^(1/2)).
%F a(n) ~ n^(n-1)*2^(3*n-1)/(exp(n-1)*3^(n-1/2)). - _Vaclav Kotesovec_, Jun 26 2013
%K nonn
%O 1,2
%A _Karol A. Penson_, Nov 26 2003