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Search: id:A013510
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A013510 arcsinh(sec(x)-sech(x))=2/2!*x^2+2/6!*x^6+65762/10!*x^10... +0
1
2, 2, 65762, -418934878, 14989881142082, -1159565898643479358, 201365713271464069504802 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Adjacent sequences: A013507 A013508 A013509 this_sequence A013511 A013512 A013513

Sequence in context: A093596 A111819 A079237 this_sequence A013504 A083925 A045830

KEYWORD

sign

AUTHOR

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

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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