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Search: id:A012832
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A012832 sec(sec(x)*arcsinh(x))=1+1/2!*x^2+13/4!*x^4+445/6!*x^6+24953/8!*x^8... +0
1
1, 1, 13, 445, 24953, 2394425, 320731013, 61303017269, 15028480222577, 4798610670513265, 1869279471006738045, 898190788867995464109, 509366426382836133377513, 343690844382622422166331305 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A012109 A012084 A114759 this_sequence A102075 A166184 A081862

Adjacent sequences: A012829 A012830 A012831 this_sequence A012833 A012834 A012835

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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