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Search: id:A146204
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| A146204 |
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Number of nXn arrays of squares of integers with every (n-3)X(n-3) subblock summing to 7 and every element equal to at least one neighbor. |
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2
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| 0, 48, 281740, 6164286, 36452297, 137540680, 403558893
(list; graph; listen)
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