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Search: id:A012775
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A012775 arctan(sec(x)*log(x+1))=x-1/2!*x^2+3/3!*x^3-37/5!*x^5+345/6!*x^6... +0
1
1, -1, 3, 0, -37, 345, -1967, 2296, 122093, -2157165, 21241847, -62837544, -2704412921, 74329911565, -1080320786971, 5480675823120, 220652162236409, -8577532338045273, 168598543971458059 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A138543 A007415 A058833 this_sequence A105751 A009786 A012738

Adjacent sequences: A012772 A012773 A012774 this_sequence A012776 A012777 A012778

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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