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Search: id:A013534
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A013534 cos(cosec(x)-cosech(x))=1-9/2!*x^2-42/6!*x^6+1/8!*x^8-9988/10!*x^10... +0
1
1, -9, 0, -42, 1, -9988, 350, -28500, 340579, -10134683676, 755135726, -33886941752432, 3311762975270, -295566625063709, 26009482073116595 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A005066 A076262 A167301 this_sequence A087094 A013535 A167319

Adjacent sequences: A013531 A013532 A013533 this_sequence A013535 A013536 A013537

KEYWORD

sign

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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