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A156424
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Number of 17 X 17 arrays of squares of integers, symmetric about the diagonal and under 90 degree rotation, with all rows summing to n.
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0
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1, 0, 0, 0, 66178, 0, 0, 0, 7777280, 0, 0, 0, 73938288, 0, 0, 0, 1262896895, 89959563, 0, 0, 5559809528, 0, 0, 0, 30866580416, 991288522, 0, 0
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history;
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OFFSET
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0,5
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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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