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A049765
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Triangular array T read by rows: T(n,k)=(k mod n)+(n mod k), for k=1,2,...,n, n=1,2,....
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1
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0, 1, 0, 1, 3, 0, 1, 2, 4, 0, 1, 3, 5, 5, 0, 1, 2, 3, 6, 6, 0, 1, 3, 4, 7, 7, 7, 0, 1, 2, 5, 4, 8, 8, 8, 0, 1, 3, 3, 5, 9, 9, 9, 9, 0, 1, 2, 4, 6, 5, 10, 10, 10, 10, 0, 1, 3, 5, 7, 6, 11, 11, 11, 11, 11, 0, 1, 2, 3, 4, 7, 6, 12, 12, 12, 12, 12, 0
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