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A002908
Energy function for square lattice.
(Formerly M1161 N0444)
+0
1
2, 4, 8, 24, 84, 328, 1372, 6024, 27412, 128228, 613160, 2985116, 14751592, 73825416, 373488764, 1907334616, 9820757380, 50934592820, 265877371160
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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