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Search: id:A013556
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A013556 cos(cotan(x)-cotanh(x))=1-36/2!*x^2-98/6!*x^6+8/8!*x^8-18480/10!*x^10... +0
1
1, -36, 0, -98, 8, -18480, 1988, -51807, 1504110, -19363455845, 2792247067, -70514452702594, 10760943015089, -679199039759214, 76833670605013207 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A023929 A010113 A167264 this_sequence A013557 A022071 A156645

Adjacent sequences: A013553 A013554 A013555 this_sequence A013557 A013558 A013559

KEYWORD

sign

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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