A012603 cos(arcsinh(x)*arcsin(x))=1-12/4!*x^4-3248/8!*x^8-19157952/12!*x^12...

1, -12, -3248, -19157952, -518516045568, -41950819968248832, -7989124180734318489600, -3074627327620950467600302080, -2150601092109458094146556003287040

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