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A012548 arctan(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4-98/6!*x^6-16968/8!*x^8... 0
2, 12, -98, -16968, -780838, 93371652, 31402903222, 2306688997872, -1741952370835918, -849143623135762308, -14075683397521166258, 228742196475611564627112, 136676421833398225367464202 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A052611 A059864 A095338 * A012550 A009816 A064370

Adjacent sequences:  A012545 A012546 A012547 * A012549 A012550 A012551

KEYWORD

sign

AUTHOR

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

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.