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A009772
Expansion of tanh(ln(1+sinh(x))).
+0
1
0, 1, -1, 1, 2, -29, 194, -1049, 4472, -6299, -171736, 2993101, -34111408, 302131831, -1763868016, -4643279549, 370023946112, -7698953963639, 115221639807104, -1282442213912999, 6786946897932032, 150369505621009291
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 14:17 EST 2009. Contains 167569 sequences.
AT&T Labs Research
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