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Search: id:A013147
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A013147 arcsinh(tanh(x)+arctan(x))=2*x-12/3!*x^3+488/5!*x^5-55552/7!*x^7... +0
1
2, -12, 488, -55552, 12546944, -4711567872, 2650074624000, -2084720933010432, 2185097305985613824, -2943182792681798926336, 4953485656236312191369216, -10186669183126638973192372224 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012625 A012630 A013173 this_sequence A050643 A145513 A002860

Adjacent sequences: A013144 A013145 A013146 this_sequence A013148 A013149 A013150

KEYWORD

sign

AUTHOR

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

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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