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Search: id:A012803
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A012803 arcsin(sec(x)*arctan(x))=x+2/3!*x^3+48/5!*x^5+1080/7!*x^7+112000/9!*x^9... +0
1
1, 2, 48, 1080, 112000, 9941120, 2204340864, 473940603136, 177280211177472, 70742192264802304, 40258836839175946240, 25560794070720075464704, 20755313571874776988942336, 19066653840381485832858304512 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A009670 A024236 A119703 this_sequence A135394 A010046 A027509

Adjacent sequences: A012800 A012801 A012802 this_sequence A012804 A012805 A012806

KEYWORD

nonn

AUTHOR

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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