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Search: id:A012462
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A012462 arcsinh(arctan(x)*atan(x))=2/2!*x^2-16/4!*x^4+248/6!*x^6-3456/8!*x^8... +0
2
2, -16, 248, -3456, -164448, 17537280, 5001348480, -3047690956800, 999150768960000, -194340969261158400, -28292890791044597760, 48811395838790000148480, -15658656394130132870062080 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012164 A047657 A009233 this_sequence A012457 A138764 A009833

Adjacent sequences: A012459 A012460 A012461 this_sequence A012463 A012464 A012465

KEYWORD

sign

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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