OFFSET
1,3
COMMENTS
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, Logarithmic density plot of the first 300000000 terms
Rémy Sigrist, C++ program for A318225
EXAMPLE
The first terms, alongside the concatenation of a(n) and of a(n+1), are:
n a(n) A066686(a(n), a(n+1))
-- ---- ---------------------
1 1 11
2 1 12
3 2 21
4 1 13
5 3 31
6 1 14
7 4 41
8 1 15
9 5 51
10 1 16
11 6 61
12 1 17
13 7 71
14 1 18
15 8 81
16 1 19
17 9 91
18 1 110
19 10 101
20 1 111
21 11 112
22 2 22
23 2 23
24 3 32
25 2 24
PROG
(C++) See Links section.
CROSSREFS
KEYWORD
AUTHOR
Rémy Sigrist, Aug 21 2018
STATUS
approved