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Search: id:A012177
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A012177 tan(tan(arctanh(x)))=x+6/3!*x^3+176/5!*x^5+11792/7!*x^7... +0
1
1, 6, 176, 11792, 1399808, 258010112, 68048472064, 24288413734912, 11265869660880896, 6584336654436794368, 4732528038730841194496, 4101916559962554300891136, 4218542156655644369974460416 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A071095 A134632 A024277 this_sequence A012227 A012152 A165928

Adjacent sequences: A012174 A012175 A012176 this_sequence A012178 A012179 A012180

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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