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A012538 cos(sinh(x)*arcsin(x))=1-12/4!*x^4-240/6!*x^6-5040/8!*x^8... 0
1, 0, -12, -240, -5040, -145920, -9256896, -1349048064, -289962366720, -78050616729600, -25779840881748992, -10375373322500206592, -5028804353588061089792, -2895752923791276634275840 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A213449 A012303 A119837 * A006588 A009150 A009080

Adjacent sequences:  A012535 A012536 A012537 * A012539 A012540 A012541

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified February 17 23:47 EST 2018. Contains 299297 sequences. (Running on oeis4.)