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Search: id:A012225
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A012225 sinh(arctan(tanh(x)))=x-3/3!*x^3+41/5!*x^5-1243/7!*x^7+58001/9!*x^9... +0
1
1, -3, 41, -1243, 58001, -1956083, -740509639, 509169335477, -295854887910879, 189240977761969437, -139751997081117953719, 120179815628074668521797, -120043777513489781645646159 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A007313 A012053 A012162 this_sequence A012129 A012035 A012016

Adjacent sequences: A012222 A012223 A012224 this_sequence A012226 A012227 A012228

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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