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Search: id:A051709
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A051709 sigma(n)+phi(n)-2n. +0
4
0, 0, 0, 1, 0, 2, 0, 3, 1, 2, 0, 8, 0, 2, 2, 7, 0, 9, 0, 10, 2, 2, 0, 20, 1, 2, 4, 12, 0, 20, 0, 15, 2, 2, 2, 31, 0, 2, 2, 26, 0, 24, 0, 16, 12, 2, 0, 44, 1, 13, 2, 18, 0, 30, 2, 32, 2, 2, 0, 64, 0, 2, 14, 31, 2, 32, 0, 22, 2, 28, 0, 75, 0, 2, 14, 24, 2, 36, 0, 58, 13, 2, 0, 80, 2, 2, 2, 44, 0 (list; graph; listen)
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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