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A012361 Expansion of e.g.f. arcsin(tan(x) * exp(x)). 0
0, 1, 2, 6, 24, 160, 1312, 13496, 162624, 2282880, 36300032, 646542336, 12732724224, 274854736000, 6451455453952, 163604692933376, 4457345570893824, 129841475781611520, 4026939664026755072, 132480317530158575616, 4607985167132525543424 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
EXAMPLE
x + 2/2!*x^2 + 6/3!*x^3 + 24/4!*x^4 + 160/5!*x^5 ...
CROSSREFS
Sequence in context: A009608 A012715 A038205 * A308111 A121773 A304996
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0) inserted and title improved by Sean A. Irvine, Jul 18 2018
STATUS
approved

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Last modified June 14 12:19 EDT 2024. Contains 373400 sequences. (Running on oeis4.)