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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
OFFSET
0,1
CROSSREFS
Sequence in context: A280921 A208962 A351109 * A012534 A092354 A254399
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved