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A009415
Expansion of ln(1+x)*cosh(tanh(x)).
+0
1
0, 1, -1, 5, -12, 9, -105, 1413, -8176, 42801, -442665, 5165445, -54556524, 637139385, -8293744641, 113478922053, -1717525727040, 28284932778977, -475222905120177, 8340834063368709, -159725733100784940, 3244894614657423849
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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 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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