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A013540
arctan(cosec(x)-cotanh(x))=-x-7/5!*x^5+3/7!*x^7-2354/9!*x^9...
+0
1
-1, 0, -7, 3, -2354, 614, -12609, 511465, -8778184775, 1439863636, -60634748503370, 10164567364169, -1158337190520188, 147712142913341929
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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