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A012541 arctanh(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4+320/6!*x^6+15808/8!*x^8... 0
2, 8, 320, 15808, 1671808, 242521600, 52294963968, 14823920529408, 5496196568825856, 2548323017071149056, 1453790822661022908416, 997862723859007908085760, 812410035086507459409412096 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A012913 A013086 A012536 * A054943 A013135 A012999

Adjacent sequences:  A012538 A012539 A012540 * A012542 A012543 A012544

KEYWORD

nonn

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.