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A012502 sinh(cos(x)*arctan(x))=x-4/3!*x^3+1304/7!*x^7-109120/9!*x^9... 0
1, -4, 0, 1304, -109120, 10816896, -1441841024, 258762139648, -60872480247808, 18224782774259712, -6768839825021124608, 3053776998122900160512, -1644778710545416370094080 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A013453 A012688 A216675 * A130105 A013463 A013464

Adjacent sequences:  A012499 A012500 A012501 * A012503 A012504 A012505

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified October 23 16:40 EDT 2020. Contains 337969 sequences. (Running on oeis4.)