A090754 Numerator of the expansion of e^(x + x^2 + x^3 + x^4).

1, 1, 3, 13, 73, 127, 2611, 19993, 55291, 1436473, 14004451, 48366487, 1584090553, 2599545379, 74472090481, 2865429498961, 2948475507877, 178482956754811, 7823019065848003, 118402856414023933, 88402610721571141

Offset

0,3

Links

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

Mathematica

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

Crossrefs

The denominators are in A090755.

Sequence in context: A383563 A086662 A293195 * A067764 A193930 A367756

Adjacent sequences: A090751 A090752 A090753 * A090755 A090756 A090757

Keyword

frac,nonn

Author

Robert G. Wilson v, Feb 06 2004

Extensions

Definition corrected by Georg Fischer, Jul 13 2025

Status

approved