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A159213
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Number of n X n arrays of squares of integers with every 3X3 subblock summing to 13
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0
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1962, 17290, 84282, 296154, 1357914, 4805386, 14675562, 59946706, 202913226, 623911698, 2517552954, 8671996786
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OFFSET
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3,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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