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Search: id:A156409
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| A156409 |
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Number of 12X12 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n. |
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1
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| 1, 140152, 1521077404, 1322299270600, 148617033979348, 3031205165103456, 19223028387830564, 241889456638665264, 4311704697906480578
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