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A009179
Expansion of cosh(x)/(1+x).
+0
6
1, -1, 3, -9, 37, -185, 1111, -7777, 62217, -559953, 5599531, -61594841, 739138093, -9608795209, 134523132927, -2017846993905, 32285551902481, -548854382342177, 9879378882159187, -187708198761024553, 3754163975220491061
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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