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A012597 arcsinh(arcsinh(x)*sin(x))=2/2!*x^2-8/4!*x^4-40/6!*x^6+4352/8!*x^8... 0
2, -8, -40, 4352, 8608, -38439040, 4405714560, 425680207872, -252920252235264, -5528067305916416, 44468403610589394944, -15834819953218036760576, -5810504218823261839253504 (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: A140363 A280921 A208962 * A012534 A092354 A254399

Adjacent sequences:  A012594 A012595 A012596 * A012598 A012599 A012600

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)