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A012188
sinh(arctan(sin(x)))=x-2/3!*x^3+16/5!*x^5-272/7!*x^7+256/9!*x^9...
+0
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1, -2, 16, -272, 256, 1758208, -549115904, 178127730688, -68157333438464, 31349506823815168, -17274394522483687424, 11298666083444901019648, -8681212227186028691062784, 7756335594110841587790512128
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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