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Search: id:A012374
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A012374 sech(tan(x)*sin(x))=1-12/4!*x^4-120/6!*x^6+4368/8!*x^8... +0
1
1, 0, -12, -120, 4368, 327360, -762432, -2379861120, -176278202112, 34929443235840, 10554181240931328, -234919154252175360, -852275452306594394112, -157606057918154970808320 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A009078 A009149 A010570 this_sequence A012615 A012559 A009164

Adjacent sequences: A012371 A012372 A012373 this_sequence A012375 A012376 A012377

KEYWORD

sign

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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