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A134358
Coefficient of y^(n-3) in expansion of (y+n!)^n.
1
216, 55296, 17280000, 7464960000, 4480842240000, 3670705963008000, 4013916970549248000, 5734167100784640000000, 10494242565323489280000000, 24178734870505319301120000000, 69056884663650242455928832000000
OFFSET
3,1
MATHEMATICA
a = {}; Do[k = CoefficientList[Expand[(y + n!)^n], y]; AppendTo[a, k[[Length[k] - 3]]], {n, 3, 50}]; a
CROSSREFS
Cf. A001563.
Sequence in context: A206697 A299994 A124009 * A167127 A269821 A268364
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 22 2007
STATUS
approved