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Search: id:A013143
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A013143 tan(tanh(x)+arctan(x))=2*x+12/3!*x^3+232/5!*x^5+9184/7!*x^7... +0
1
2, 12, 232, 9184, 628864, 65666304, 9724490752, 1938995759104, 500703018057728, 162578867050250240, 64828188125105225728, 31143422445257665019904, 17740655235950956739821568 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A156484 A009272 A013141 this_sequence A009359 A011807 A166316

Adjacent sequences: A013140 A013141 A013142 this_sequence A013144 A013145 A013146

KEYWORD

nonn

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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