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A057818
Number of factorable (see
A057765
for definition) subsets of a 2 X n uniform grid.
+0
1
0, 1, 6, 33, 108, 345, 1014, 2865, 7464, 19791, 51286, 133249
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Maintained by
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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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