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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
OFFSET
0,3
EXAMPLE
x + 2/2!*x^2 + 2/3!*x^3 - 16/4!*x^4 - 152/5!*x^5 ...
CROSSREFS
Sequence in context: A230990 A217977 A368467 * A012520 A012323 A009804
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