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A076143
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Number of permutations p(1),...,p(n) of 1,...,n such that GCD( sum{k=1 to m} p(k), p(m+1) ) = 1 for all positive integers m <= n-1.
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0
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1, 2, 2, 8, 32, 80, 376, 1736, 15618, 118732, 412052, 3562696, 81378488
(list; graph; refs; listen; history; internal format)
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