A061852 - cp's OEIS frontend

A061852 Digital representation of m contains only either 1's or 2's (but not both 1's and 2's) and 0's, is palindromic and contains no singleton 2's, 1's or 0's.

n	a(n)
1	11
2	22
3	111
4	222
5	1111
6	2222
7	11111
8	22222
9	110011
10	111111
11	220022
12	222222
13	1100011
14	1111111
15	2200022
16	2222222
17	11000011
18	11100111
19	11111111
20	22000022
21	22200222
22	22222222
23	110000011
24	111000111
25	111111111
26	220000022
27	222000222

[11, 22, 111, 222, 1111, 2222, 11111, 22222, 110011, 111111, 220022, 222222, 1100011, 1111111, 2200022, 2222222, 11000011, 11100111, 11111111, 22000022, 22200222, 22222222, 110000011, 111000111, 111111111, 220000022, 222000222]

cp's OEIS Frontend

A061852 Digital representation of m contains only either 1's or 2's (but not both 1's and 2's) and 0's, is palindromic and contains no singleton 2's, 1's or 0's.

Table of values

List of values