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A128990
(n^3-n^2)*7^n.
+0
1
0, 196, 6174, 115248, 1680700, 21176820, 242121642, 2582630848, 26149137336, 254227724100, 2392565359030, 21924598926384, 196490913105396, 1728112389619252, 14954818756320450, 127614453387267840
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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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