A387544 Even terms of A386482, halved, in order of occurrence.
1, 2, 3, 6, 5, 4, 7, 9, 8, 10, 15, 14, 13, 12, 11, 18, 17, 16, 19, 27, 26, 25, 24, 23, 22, 21, 20, 30, 29, 28, 34, 33, 32, 31, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 46, 47, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50
Offset: 1
Examples
The first terms, alongside the first terms of A386482, are: k A386482(k) n a(n) -- ---------- -- ---- 1 1 2 2 1 1 3 4 2 2 4 6 3 3 5 3 6 9 7 12 4 6 8 10 5 5 9 8 6 4 10 14 7 7 11 7 12 21 13 18 8 9 14 16 9 8 15 20 10 10
Links
- Rémy Sigrist, Table of n, a(n) for n = 1..10306
- Rémy Sigrist, PARI program
Programs
-
PARI
\\ See Links section.
Formula
a(a(n)) = n.
Comments