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Search: id:A012147
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A012147 arctanh(tan(sin(x)))=x+3/3!*x^3+41/5!*x^5+1467/7!*x^7+100625/9!*x^9... +0
1
1, 3, 41, 1467, 100625, 11103155, 1795927225, 400540116971, 117802787966241, 44174901566136419, 20571101104110689353, 11646565567973048707867, 7878351005250269762378801, 6275481526065593121954975251 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012144 A012145 A012146 this_sequence A012148 A012149 A012150

Sequence in context: A012035 A012016 A012104 this_sequence A012011 A139161 A057013

KEYWORD

nonn

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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