References to A064491

a(1) = 1, a(n+1) = a(n) + tau(a(n)).
1, 2, 4, 7, 9, 12, 18, 24, 32, 38, 42, 50, 56, 64, 71, 73, 75, 81, 86, 90, 102, 110, 118

1 seqfan posts

Mon Sep 21 14:30:57 CEST 2009    [seqfan] The mapping k -> k + tau(k)
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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