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A012532 sech(sinh(x)*sin(x)) = 1-12/4!*x^4+8848/8!*x^8-45051072/12!*x^12... 0
1, -12, 8848, -45051072, 840261660928, -41695924253002752, 4537436258866404364288, -951427888272965045905047552 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A013513 A013480 A107254 * A012732 A001322 A159411

Adjacent sequences:  A012529 A012530 A012531 * A012533 A012534 A012535

KEYWORD

sign

AUTHOR

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

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Last modified February 14 17:52 EST 2012. Contains 205651 sequences.