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A009372
Expansion of ln(1+tan(x))/cos(x).
+0
1
0, 1, -1, 7, -20, 145, -781, 6711, -55040, 578465, -6372241, 81400295, -1118247140, 17017477425, -278763221101, 4944906503959, -93847119338720, 1903841305391425, -41033336868850561, 937270802152757703
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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