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Search: id:A156465
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| A156465 |
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Number of nXn arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to 16. |
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1
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| 1, 0, 0, 3, 7, 36, 201, 9522, 78762, 5281910, 225908440, 34459271550, 1556654915420
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