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A009753
Expansion of tan(x)/(1+x).
+0
1
0, 1, -2, 8, -32, 176, -1056, 7664, -61312, 559744, -5597440, 61925632, -743107584, 9682766848, -135558735872, 2035284795392, -32564556726272, 553807329689600, -9968531934412800, 189431195638956032, -3788623912779120640
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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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