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A012429
cosh(arctan(x)*sin(x))=1+12/4!*x^4-360/6!*x^6+17360/8!*x^8...
0
1, 0, 12, -360, 17360, -1431360, 176717376, -30259605376, 6872523424000, -2001253898164224, 727157103049997312, -322526390192253356032, 171508583202445765136384, -107708920891668309118730240
OFFSET
0,3
CROSSREFS
Sequence in context: A009165 A012627 A012384 * A012631 A327986 A279182
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved