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Search: id:A013414
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A013414 sec(arcsin(x)-arctan(x))=1+90/6!*x^6-2520/8!*x^8+368550/10!*x^10... +0
1
1, 0, 0, 90, -2520, 368550, -24324300, 6214858650, -725350626000, 318282066852750, -56464293738352500, 40214549353890161250, -9894502805503110795000, 10823754426851479957593750 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Sequence in context: A013355 A013357 A013358 this_sequence A013413 A013411 A013415

Adjacent sequences: A013411 A013412 A013413 this_sequence A013415 A013416 A013417

KEYWORD

sign

AUTHOR

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

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Last modified August 29 14:50 EDT 2008. Contains 143238 sequences.

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