A294260 - OEIS

%I #13 Oct 27 2017 13:10:15

%S 1,-1,-1,5,1,79,-689,2981,-7615,-172801,3621151,-16469531,-240199871,

%T 2722511375,51840080111,-1987808959291,12337235928961,136594696115071,

%U -1167414675803585,-56631124939839931,-1376838916423621759,69766591820556094799

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

%H Seiichi Manyama, <a href="/A294260/b294260.txt">Table of n, a(n) for n = 0..449</a>

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

%Y Main diagonal of A294254.

%Y Cf. A293840.

%K sign

%O 0,4

%A _Seiichi Manyama_, Oct 26 2017