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A293905 E.g.f.: exp(Sum_{n>=1} A000041(n-1)*x^n/n). 1

%I

%S 1,1,2,8,44,316,2656,26632,299408,3809744,53425376,823627456,

%T 13758271552,248997717568,4826005005824,100042516509056,

%U 2204677070418176,51515128563296512,1270613780164684288,33020423388135645184,900956861702008749056

%N E.g.f.: exp(Sum_{n>=1} A000041(n-1)*x^n/n).

%H Seiichi Manyama, <a href="/A293905/b293905.txt">Table of n, a(n) for n = 0..433</a>

%F a(0) = 1 and a(n) = (n-1)! * Sum_{k=1..n} A000041(k-1)*a(n-k)/(n-k)! for n > 0.

%Y Cf. A000041, A293527.

%K nonn

%O 0,3

%A _Seiichi Manyama_, Oct 19 2017

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Last modified May 22 14:32 EDT 2019. Contains 323480 sequences. (Running on oeis4.)