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A055142
Column 0 of triangle
A055141
.
+0
5
1, 0, -2, -8, -36, -224, -1880, -19872, -251888, -3712256, -62286624, -1171487360, -24402416192, -557542291968, -13861636770176, -372514645389824, -10759590258589440, -332386419622387712
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
AT&T Labs Research
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