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A013265
tanh(log(x+1)-sinh(x))=-1/2!*x^2+1/3!*x^3-6/4!*x^4+23/5!*x^5...
+0
1
-1, 1, -6, 23, -90, 509, -1960, 7251, 27720, -1167421, 20353608, -322757359, 4828920096, -72221046535, 1088176720800, -16527535024457, 253611377594496, -3894220888850401, 59159990565014280
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 1 13:27 EST 2009. Contains 167806 sequences.
AT&T Labs Research
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