References to A007378

a(n), n>=2, is smallest positive integer which is consistent with sequence being monotonically increasing and satisfying a(a(n)) = 2n.
3, 4, 6, 7, 8, 10, 12, 13, 14, 15, 16, 18, 20, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34


1 seqfan posts

Wed Nov 4 18:05:36 CET 2009    [seqfan] Re: 2.a(n) = a(a(n))

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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