A156034 Denominator of (Sum_{k=1..n} k^3)/n!.

1, 1, 2, 1, 6, 8, 80, 45, 280, 896, 145152, 100800, 13305600, 68428800, 7907328, 90810720, 326918592000, 258306048000, 79041650688000, 64023737057280, 55167845990400, 10532043325440000, 9289262213038080000, 7805560609566720000, 6893871130369327104

Offset

0,3

Links

Table of n, a(n) for n=0..24.

Mathematica

Table[Sum[k^3/n!, {k, n}], {n, 0, 30}]//Denominator (* Harvey P. Dale, Dec 28 2023 *)

Crossrefs

See A156033 for further information.

Sequence in context: A197806 A073675 A188167 * A160581 A021465 A139526

Adjacent sequences: A156031 A156032 A156033 * A156035 A156036 A156037

Keyword

nonn,frac

Author

N. J. A. Sloane, Oct 31 2009

Status

approved