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A012319 Expansion of e.g.f. arctan(arcsin(x) * exp(x)). 0
0, 1, 2, 2, -16, -152, -640, 3208, 93760, 903232, -434432, -177422848, -3216258560, -16228512640, 694840763136, 22720594160384, 271707063115776, -4070997323902976, -272647179903516672 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..18.

EXAMPLE

x + 2/2!*x^2 + 2/3!*x^3 - 16/4!*x^4 - 152/5!*x^5 ...

CROSSREFS

Sequence in context: A062282 A230990 A217977 * A012520 A012323 A009804

Adjacent sequences: A012316 A012317 A012318 * A012320 A012321 A012322

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

a(0) inserted and title improved by Sean A. Irvine, Jul 17 2018

STATUS

approved

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Last modified April 1 03:44 EDT 2023. Contains 361673 sequences. (Running on oeis4.)