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Search: id:A012449
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A012449 sinh(arctan(x)*tan(x))=2/2!*x^2+280/6!*x^6-2688/8!*x^8+774688/10!*x^10... +0
1
2, 0, 280, -2688, 774688, -44971520, 12196692352, -2010939305984, 682495898190336, -217798427799339008, 100459217814408271872, -50559840345962764140544, 31791509418375951964839936 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Adjacent sequences: A012446 A012447 A012448 this_sequence A012450 A012451 A012452

Sequence in context: A036938 A012330 A012336 this_sequence A012446 A012755 A012452

KEYWORD

sign

AUTHOR

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

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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