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Search: id:A127643
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| A127643 |
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Composite numbers n such that n divides A123591(n) = ((2^n - 1)^(2^n) - 1)/(2^n)^2. |
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| 15, 51, 65, 85, 185, 221, 255, 341, 451, 533, 561, 595, 645, 679, 771, 1059, 1095, 1105, 1271, 1285, 1313, 1387, 1455, 1581, 1729, 1905, 2045, 2047, 2091, 2307, 2465, 2701, 2755, 2821, 2895, 3201, 3205, 3277, 3281, 3341, 3603, 3655, 3723, 3855, 4033, 4039
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