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Rémy Sigrist, <a href="/A306230/b306230.txt">Table of n, a(n) for n = 1..1000</a>
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<a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
<a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
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For any n > 0, let b(n) = a(n) - n; the sequence b is unbounded.
The first terms of the sequence, alongside G, are:
n a(n) G(n)
-- ---- ----
1 2 1
2 1 2
3 4 2
4 3 3
5 6 3
6 5 4
7 9 4
8 10 4
9 7 5
10 8 5
11 12 5
12 11 6
13 16 6
14 17 6
15 18 6
16 13 7
17 14 7
18 15 7
19 20 7
20 19 8