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A159202
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Number of n X n arrays of squares of integers with every 4X4 subblock summing to 4
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0
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1836, 19252, 120420, 485580, 1431580, 7580604, 30777228, 98695180, 260875260, 1171616956, 4324917900, 13424965644
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OFFSET
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4,1
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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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