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A009433
Expansion of ln(1+x)/cosh(tan(x)).
+0
1
0, 1, -1, -1, 0, -11, 15, 27, -504, 11817, -94185, 1226455, -12442056, 155936221, -1995562569, 27870901107, -423463160400, 6793396567633, -117302680146033, 2130615128588591, -40960288523646320, 827190717641773765
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.
AT&T Labs Research
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