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A012426 arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8... 0
2, -12, 70, 2856, -164342, -26727140, 9513652174, -1509132606128, -24850989613038, 96289752279508804, -8229825010792301226, -30295913573130207257992, 26332910393982197524318746 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A059229 A001251 A143357 * A012421 A012381 A012376

Adjacent sequences:  A012423 A012424 A012425 * A012427 A012428 A012429

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified March 22 10:07 EDT 2019. Contains 321421 sequences. (Running on oeis4.)