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A012192 cosh(arctan(sin(x)))=1+1/2!*x^2-11/4!*x^4+301/6!*x^6-16631/8!*x^8... 0
1, 1, -11, 301, -16631, 1543801, -216765251, 42924800101, -11404529749871, 3916428205369201, -1688780438764074491, 893492390128997891101, -569179458246274338443111, 429766550332741063792045801 (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: A012027 A279181 A002114 * A012079 A180056 A172506

Adjacent sequences:  A012189 A012190 A012191 * A012193 A012194 A012195

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified February 15 21:12 EST 2019. Contains 320138 sequences. (Running on oeis4.)