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A156410
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Number of 12 X 12 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.
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0
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1, 1384, 217500, 8019000, 100368324, 534495232, 1814137996, 8671131376, 40142592042, 110049447136, 219088073110, 659368209568, 2165316809841, 4410398887272, 6632080108308, 15449498784320, 42194032310078
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OFFSET
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0,2
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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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