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Search: id:A013368
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A013368 sech(sin(x)-arctan(x))=1-10/6!*x^6+1288/8!*x^8-152934/10!*x^10... +0
1
1, 0, 0, -10, 1288, -152934, 22044484, -4128980986, 1002646613616, -309256569835534, 118408798212804028, -55134457643443006338, 30684616930799120314216, -20117431906536006109520470 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Adjacent sequences: A013365 A013366 A013367 this_sequence A013369 A013370 A013371

Sequence in context: A013367 A013366 A013364 this_sequence A133216 A099128 A117523

KEYWORD

sign

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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