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A292912 E.g.f.: exp(1/4! * x^4 * exp(-x)). 3

%I #20 Nov 12 2021 12:54:13

%S 1,0,0,0,1,-5,15,-35,105,-756,6510,-46530,283470,-1667380,11457446,

%T -99776040,969295145,-9298091180,86154691680,-804769174536,

%U 8052676029420,-88489327173660,1038440150703340,-12501684521410700,151866259113256611

%N E.g.f.: exp(1/4! * x^4 * exp(-x)).

%H Seiichi Manyama, <a href="/A292912/b292912.txt">Table of n, a(n) for n = 0..534</a>

%F a(n) = (-1)^n * A145454(n).

%t With[{nn=30},CoefficientList[Series[Exp[x^4/4! Exp[-x]],{x,0,nn}],x] Range[ 0,nn]!] (* _Harvey P. Dale_, Nov 12 2021 *)

%o (PARI) x='x+O('x^66); Vec(serlaplace(exp(1/4!*x^4*exp(-x))))

%Y Column k=4 of A292948.

%Y Cf. A145454.

%K sign

%O 0,6

%A _Seiichi Manyama_, Sep 26 2017

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)