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A012603
cos(arcsinh(x)*arcsin(x))=1-12/4!*x^4-3248/8!*x^8-19157952/12!*x^12...
0
1, -12, -3248, -19157952, -518516045568, -41950819968248832, -7989124180734318489600, -3074627327620950467600302080, -2150601092109458094146556003287040
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..8.
CROSSREFS
Sequence in context:
A222922
A268048
A271516
*
A012737
A370298
A077299
Adjacent sequences:
A012600
A012601
A012602
*
A012604
A012605
A012606
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified September 16 12:57 EDT 2024. Contains 375976 sequences. (Running on oeis4.)