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A156406
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Number of 11 X 11 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, 312, 26820, 424980, 4108632, 10491480, 36058540, 69492920, 448032730, 378230514, 1435365144, 3867308971, 10607876660, 16504055920, 18737188768, 31390349120, 99812199364, 71763897760, 163052061000, 338077231956
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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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