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Search: id:A156464
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| A156464 |
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Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 16. |
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1
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| 1, 2, 2, 7, 19, 1430, 9131, 1559914, 17481322, 4701559354, 99812199364, 42194032310078
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