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A252394
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Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 4
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1
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224346, 9807871, 454970982, 19516646285, 851022689884, 37408598546844, 1637298217327736, 71675190624017977, 3139889940063837080, 137516081439046961836, 6022451091771727200405, 263767184952534766097247
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