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Search: id:A013547
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A013547 sec(cosec(x)-cotanh(x))=1+21/6!*x^6+3234/10!*x^10+277/12!*x^12... +0
1
1, 0, 0, 21, 0, 3234, 277, 5856, 303280, 2437972574, 588899927, 13407976985576, 2342711674594, 183937462367205, 18926632135623132 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Sequence in context: A048948 A167263 A110454 this_sequence A040445 A040446 A040447

Adjacent sequences: A013544 A013545 A013546 this_sequence A013548 A013549 A013550

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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