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A012299 arcsinh(sin(x)*sin(x))=2/2!*x^2-8/4!*x^4-88/6!*x^6+6592/8!*x^8... 0
2, -8, -88, 6592, -9568, -49063808, 4426189952, 1122968737792, -441081682390528, -23926396899780608, 74405808039377364992, -16597462789247237931008, -19016633437725878038847488 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

CROSSREFS

Sequence in context: A136749 A226321 A054955 * A012295 A009486 A110384

Adjacent sequences:  A012296 A012297 A012298 * A012300 A012301 A012302

KEYWORD

sign

AUTHOR

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

STATUS

approved

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Last modified June 19 19:50 EDT 2013. Contains 226416 sequences.