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Search: id:A013535
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A013535 sec(cosec(x)-cosech(x))=1+9/2!*x^2+49/6!*x^6+5/8!*x^8+13805/10!*x^10... +0
1
1, 9, 0, 49, 5, 13805, 2001, 61346, 2310393, 39139717204, 6659649648, 249033626119192, 41496912840373, 4183398612326823, 498795037496600869 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A167301 A013534 A087094 this_sequence A167319 A057403 A157309

Adjacent sequences: A013532 A013533 A013534 this_sequence A013536 A013537 A013538

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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