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E.g.f.: exp(Sum_{n>=1} A010815(n)*x^n/n).
1

%I #8 Oct 29 2017 11:09:20

%S 1,-1,0,2,-2,18,-128,740,-3204,-6076,210304,-1097064,-29284760,

%T 398231768,792490752,-124480674448,1471405254928,-2684728872720,

%U -64686947480576,-626709774748384,-10524779012515104,689522178752789024,34910956277827256320

%N E.g.f.: exp(Sum_{n>=1} A010815(n)*x^n/n).

%H Seiichi Manyama, <a href="/A294341/b294341.txt">Table of n, a(n) for n = 0..451</a>

%F a(0) = 1 and a(n) = (n-1)! * Sum_{k=1..n} A010815(k)*a(n-k)/(n-k)! for n > 0.

%Y Cf. A294260.

%K sign

%O 0,4

%A _Seiichi Manyama_, Oct 28 2017