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A013002 sinh(arctan(x)+tan(x))=2*x+8/3!*x^3+72/5!*x^5+3040/7!*x^7... 0
2, 8, 72, 3040, 64896, 10595840, 87854080, 170663275520, -13108265091072, 9548887177330688, -2414396189767565312, 1470934245912869601280, -706590338221690516406272, 502826356422039379298484224 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

CROSSREFS

Sequence in context: A125814 A295044 A305000 * A012998 A143760 A064605

Adjacent sequences:  A012999 A013000 A013001 * A013003 A013004 A013005

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified September 28 03:06 EDT 2020. Contains 337392 sequences. (Running on oeis4.)