A020548 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A020548

3rd Euler polynomial evaluated at x=n! (multiplied by 4).

-1, -1, 9, 649, 51841, 6825601, 1489881601, 511943846401, 262183528857601, 191138113268121601, 191138824350351360001, 254405870811372994560001, 439613359905259699568640001, 965830554503712299093852160001

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A323425 A191510 A081232 * A091062 A221133 A015007

Adjacent sequences: A020545 A020546 A020547 * A020549 A020550 A020551

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved