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A012815 arcsin(sec(x)*sinh(x))=x+5/3!*x^3+85/5!*x^5+3985/7!*x^7+379625/9!*x^9... 0
1, 5, 85, 3985, 379625, 60812765, 14677835965, 4970543866345, 2246783432849105, 1306543181979948725, 950061718955626219045, 844558265482290124163905, 901064938302237380563065785 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A101928 A012788 A192055 * A113107 A018925 A174320

Adjacent sequences:  A012812 A012813 A012814 * A012816 A012817 A012818

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 15:39 EST 2012. Contains 205635 sequences.