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Search: id:A012662
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A012662 sec(tanh(x)*exp(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+100/5!*x^5... +0
1
1, 0, 1, 6, 21, 100, 957, 8498, 70217, 762696, 9950809, 128378910, 1775380893, 28325140012, 483428842197, 8558590549322, 163465935697169, 3367220579004048, 72712394227734577, 1648059951297530166 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Adjacent sequences: A012659 A012660 A012661 this_sequence A012663 A012664 A012665

Sequence in context: A009247 A093774 A012773 this_sequence A012418 A083558 A060843

KEYWORD

nonn

AUTHOR

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

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Last modified May 14 01:44 EDT 2008. Contains 139663 sequences.


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