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A293118 E.g.f.: exp(x^3/(x-1)). 3

%I #13 Sep 30 2017 18:47:13

%S 1,0,0,-6,-24,-120,-360,0,20160,302400,3628800,39916800,419126400,

%T 4151347200,36324288000,207048441600,-1743565824000,-103742166528000,

%U -2925529096089600,-69945932735078400,-1571249213614080000,-34354603773794304000,-741528257908838400000

%N E.g.f.: exp(x^3/(x-1)).

%H Seiichi Manyama, <a href="/A293118/b293118.txt">Table of n, a(n) for n = 0..450</a>

%p a:= proc(n) option remember; `if`(n=0, 1, -add(

%p a(n-j)*binomial(n-1, j-1)*j!, j=3..n))

%p end:

%p seq(a(n), n=0..25); # _Alois P. Heinz_, Sep 30 2017

%t CoefficientList[Series[E^(-x^3/(1-x)), {x, 0, 20}], x] * Range[0, 20]! (* _Vaclav Kotesovec_, Sep 30 2017 *)

%o (PARI) x='x+O('x^66); Vec(serlaplace(exp(x^3/(x-1))))

%Y Column k=2 of A293119.

%Y Cf. A293049.

%K sign

%O 0,4

%A _Seiichi Manyama_, Sep 30 2017

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Last modified August 29 09:35 EDT 2024. Contains 375511 sequences. (Running on oeis4.)