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Search: id:A012787
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A012787 cos(sec(x)*arcsin(x))=1-1/2!*x^2-15/4!*x^4-345/6!*x^6-11263/8!*x^8... +0
1
1, -1, -15, -345, -11263, -455025, -16466703, 746021367, 480286325633, 150637957014303, 46203820378253425, 15313454320801213511, 5643895146092962507905, 2333857400234709586763695 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A114937 A100875 A034975 this_sequence A030049 A012486 A035020

Adjacent sequences: A012784 A012785 A012786 this_sequence A012788 A012789 A012790

KEYWORD

sign

AUTHOR

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

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Last modified December 4 12:27 EST 2008. Contains 151280 sequences.


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