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Search: id:A012778
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A012778 sec(sec(x)*log(x+1))=1+1/2!*x^2-3/3!*x^3+28/4!*x^4-160/5!*x^5... +0
1
1, 0, 1, -3, 28, -160, 1630, -14700, 180668, -2227608, 32850740, -507842060, 8829277928, -162974579040, 3280768459280, -70166399557800, 1609085392223312, -39068177212368192, 1006531896581760976 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A048367 A095665 A012762 this_sequence A074922 A081019 A091120

Adjacent sequences: A012775 A012776 A012777 this_sequence A012779 A012780 A012781

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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