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A012700
tan(arctanh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+16/4!*x^4-50/5!*x^5...
+0
1
2, -3, 16, -50, 608, -4284, 53856, -517824, 7365312, -93511440, 1542037440, -24197565600, 452937477120, -8397165641760, 176769352058880, -3770083289172480, 88455117393715200, -2127638031857717760
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.
AT&T Labs Research
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