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A054799 Integers n such that Sigma[n+2]=Sigma[n]+2, Sigma=A000203, sum of divisors of n. +0
17
3, 5, 11, 17, 29, 41, 59, 71, 101, 107, 137, 149, 179, 191, 197, 227, 239, 269, 281, 311, 347, 419, 431, 434, 461, 521, 569, 599, 617, 641, 659, 809, 821, 827, 857, 881, 1019, 1031, 1049, 1061, 1091, 1151, 1229, 1277, 1289, 1301, 1319, 1427, 1451, 1481, 1487 (list; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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