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A012531 sec(sinh(x)*sin(x)) = 1+12/4!*x^4+7952/8!*x^8+36180672/12!*x^12... 0
1, 12, 7952, 36180672, 603907465472, 26832156798077952, 2614680400223651827712, 490948618119249163449188352, 161900900520087402624595511017472 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..8.

CROSSREFS

Sequence in context: A107251 A201493 A009173 * A013481 A013513 A013480

Adjacent sequences:  A012528 A012529 A012530 * A012532 A012533 A012534

KEYWORD

nonn

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved

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Last modified October 23 17:49 EDT 2020. Contains 337969 sequences. (Running on oeis4.)