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Search: id:A013540
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A013540 arctan(cosec(x)-cotanh(x))=-x-7/5!*x^5+3/7!*x^7-2354/9!*x^9... +0
1
-1, 0, -7, 3, -2354, 614, -12609, 511465, -8778184775, 1439863636, -60634748503370, 10164567364169, -1158337190520188, 147712142913341929 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A086453 A112099 A013544 this_sequence A110792 A093825 A091494

Adjacent sequences: A013537 A013538 A013539 this_sequence A013541 A013542 A013543

KEYWORD

sign

AUTHOR

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

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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