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A057792
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Sum[k^k], where sum is over positive integers, k, where k <= n and GCD(k,n) = 1.
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0
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1, 1, 5, 28, 288, 3126, 50069, 826696, 17604145, 388244060, 10405071317, 285312497280, 9211817190184, 303160805686506, 11415167261421900, 438197051187369424, 18896062057839751444, 827240565046755853710
(list; graph; refs; listen; history; internal format)
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