A012429 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A009165 A012627 A012384 * A012631 A327986 A279182

Adjacent sequences: A012426 A012427 A012428 * A012430 A012431 A012432

KEYWORD

sign

AUTHOR

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

STATUS

approved