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Search: id:A156467
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| A156467 |
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Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 17. |
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1
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| 2, 2, 44, 76, 1804, 8172, 1022492, 7436362, 4686068520, 71763897760, 74820160016800
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