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A009393 Expansion of ln(1+tanh(x))/exp(x). +0
1
0, 1, -3, 6, -8, 5, -7, 70, -72, -1311, 1309, 49214, -49216, -2653547, 2653545, 196707438, -196707440, -19194804703, 19194804701, 2385684870742, -2385684870744, -367985503366779, 367985503366777, 68980888889771126, -68980888889771128 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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