login
A134359
Coefficient of y^(n-4) in expansion of (y+n!)^n.
0
331776, 1036800000, 4031078400000, 22583444889600000, 185003580535603200000, 2184855285409366671360000, 36414254756822777856000000000, 837793163263009313783808000000000
OFFSET
4,1
MATHEMATICA
a = {}; Do[k = CoefficientList[Expand[(y + n!)^n], y]; AppendTo[a, k[[Length[k] - 4]]], {n, 4, 50}]; a
CROSSREFS
Sequence in context: A259004 A256902 A244044 * A013913 A258897 A237331
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 22 2007
STATUS
approved