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A156393 Number of 7X7 arrays of squares of integers, symmetric about the diagonal and under 90 degree rotation, with all rows summing to n. +0
1
1, 0, 0, 0, 4, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 5, 13, 0, 0, 0, 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 4, 18, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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