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A012822 sin(sec(x)*arcsinh(x))=x+1/3!*x^3+5/5!*x^5-499/7!*x^7-12055/9!*x^9... 0
1, 1, 5, -499, -12055, -2156871, -24423763, -27205910523, 2396435716433, -1214149548475407, 375616253471952085, -173184506373765285763, 93896424495536603892025, -57465007424690895944339543 (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: A308132 A352181 A152513 * A124358 A198719 A198910

Adjacent sequences:  A012819 A012820 A012821 * A012823 A012824 A012825

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)