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Search: id:A012793
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A012793 sec(sec(x)*arcsin(x))=1+1/2!*x^2+21/4!*x^4+885/6!*x^6+67753/8!*x^8... +0
1
1, 1, 21, 885, 67753, 8319945, 1497879933, 371676224829, 121584750716497, 50703653565909009, 26255891609845966565, 16529283187035337691269, 12432784542297124704745209, 11011634249882125250110463705 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A012819 A041843 A041840 this_sequence A015305 A101732 A006301

Adjacent sequences: A012790 A012791 A012792 this_sequence A012794 A012795 A012796

KEYWORD

nonn

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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