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A012607 cosh(arcsinh(x)*arcsin(x)) = 1+12/4!*x^4+6608/8!*x^8+38672832/12!*x^12... 0
1, 12, 6608, 38672832, 1035058952448, 83042522104507392, 15719007594987094364160, 6022323864926672477183262720 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A003793 A171669 A094268 * A167072 A107251 A201493

Adjacent sequences:  A012604 A012605 A012606 * A012608 A012609 A012610

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 16:56 EST 2012. Contains 205825 sequences.