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A129591
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For each permutation p of {1,2,...,n} define min(p) = min{ p(i) + i : i = 1..n }; a(n) is the sum of min(p) of all p.
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2, 5, 17, 75, 407, 2619, 19487, 164571, 1555007, 16252779, 186167087, 2319025851, 31210884767, 451319283339, 6978220721807
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