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A012441
cosh(arctan(x)*arcsin(x))=1+12/4!*x^4-120/6!*x^6+11088/8!*x^8...
0
1, 0, 12, -120, 11088, -559680, 96647232, -11918734464, 3443607499008, -785681136728064, 344346566147423232, -125647543062169835520, 77921368897600000020480, -41570816325816575416320000
OFFSET
0,3
CROSSREFS
Sequence in context: A012619 A012563 A301898 * A012373 A012620 A012564
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved