A090755 Denominator of the expansion of e^(1 + x + x^2 + x^3 + x^4).

1, 1, 2, 6, 24, 40, 720, 5040, 13440, 362880, 3628800, 13305600, 479001600, 889574400, 29059430400, 1307674368000, 1609445376000, 118562476032000, 6402373705728000, 121645100408832000, 115852476579840000

Offset

0,3

Links

Table of n, a(n) for n=0..20.

Mathematica

Denominator[ CoefficientList[ Series[ E^(1 + x + x^2 + x^3 + x^4), {x, 0, 21}]/E, x]]

Crossrefs

The numerators are in A090754.

Sequence in context: A274038 A143383 A067653 * A192196 A000496 A004306

Adjacent sequences: A090752 A090753 A090754 * A090756 A090757 A090758

Keyword

frac,nonn

Author

Robert G. Wilson v, Feb 06 2004

Status

approved