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A012998 sin(arctan(x)+tan(x))=2*x-8/3!*x^3+72/5!*x^5-3936/7!*x^7... 0
2, -8, 72, -3936, 193920, -21876736, 2967878656, -589063146496, 149737853943808, -48291040167362560, 19310260456438693888, -9310185546185219768320, 5359263862743046978797568 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A107270 A125814 A013002 * A143760 A064605 A132039

Adjacent sequences:  A012995 A012996 A012997 * A012999 A013000 A013001

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.