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%I #11 Apr 11 2023 10:56:25
%S -1,-1,1,11,63,499,6089,97551,1875551,41846183,1062206289,30214274419,
%T 951599063711,32864817109851,1234766859596633,50132215859126519,
%U 2187063341006059839,102022039514031274831,5067161180856909388961,266960634868753685833563
%N Expansion of e.g.f. -exp(x * (1-3*x)^(1/3)).
%F a(n) = - n! * Sum_{k=0..n} (-3)^k * binomial((n-k)/3,k)/(n-k)!.
%o (PARI) my(N=20, x='x+O('x^N)); Vec(serlaplace(-exp(x*(1-3*x)^(1/3))))
%Y Cf. A362159, A362177.
%K sign,easy
%O 0,4
%A _Seiichi Manyama_, Apr 10 2023