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A012425
sinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+310/6!*x^6-17304/8!*x^8...
0
2, -12, 310, -17304, 1458538, -179076260, 30579769246, -6937516847408, 2018483632983762, -732877524097108796, 324856264038732166662, -172652168729948174280904, 108374992202504938057945146
OFFSET
0,1
CROSSREFS
Sequence in context: A202729 A012380 A012377 * A012422 A122767 A260321
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved