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Search: id:A013127
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A013127 sec(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+83/4!*x^4-460/5!*x^5... +0
1
1, 0, 4, -6, 83, -460, 5374, -52962, 711833, -9731160, 156311784, -2676262710, 50867352939, -1037096208564, 22896291533210, -539916293280210, 13603842760270129, -363832977079307248, 10308592491205055532 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A012971 A061216 A058163 this_sequence A012970 A101138 A012897

Adjacent sequences: A013124 A013125 A013126 this_sequence A013128 A013129 A013130

KEYWORD

sign

AUTHOR

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

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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