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Search: id:A012867
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A012867 log(cotan(x)*arctan(x))=-12/2!*x^2+40/4!*x^4-3892/6!*x^6+2254/8!*x^8... +0
1
-12, 40, -3892, 2254, -22001408, 3059806230, -2817899497, 164876600487479, -55060047773222807, 51060002041757030, -11158337166160629951499, 10503777169834054360226, -6213825148046257954025060 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A109766 A033586 A137389 this_sequence A114072 A022672 A109275

Adjacent sequences: A012864 A012865 A012866 this_sequence A012868 A012869 A012870

KEYWORD

sign

AUTHOR

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

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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