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A012037 arctan(sin(arcsinh(x)))=x-4/3!*x^3+84/5!*x^5-4320/7!*x^7+410640/9!*x^9... 0
1, -4, 84, -4320, 410640, -62424000, 13882209600, -4250758886400, 1715097849504000, -881945575315584000, 563062441711086720000, -436991853893041873920000, 405186856780938968885760000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

CROSSREFS

Sequence in context: A099706 A012065 A012139 * A012025 A012107 A012189

Adjacent sequences:  A012034 A012035 A012036 * A012038 A012039 A012040

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified January 28 11:15 EST 2022. Contains 350655 sequences. (Running on oeis4.)