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A128322
Column 1 of triangle
A128320
; a(n) =
A128321
(n) + 2n*
A128321
(n-1), where
A128321
is column 0 of triangle
A128320
.
+0
5
1, 3, 8, 41, 234, 1602, 11976, 98541, 866942, 8139602, 80559456, 837863578, 9098447188, 102867879636, 1206145137840, 14632952210685, 183197674060470, 2362463132266770, 31320354882679440, 426245968192108590
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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