A105956 - OEIS

A105956 as a simple table

n	a(n)
1	1
2	11
3	21
4	22
5	111
6	222
7	231
8	333
9	1111
10	2121
11	2222
12	2323
13	2341
14	3333
15	4141
16	4343
17	4444
18	11111
19	22222
20	23451
21	33333
22	44444
23	55555
24	111111
25	212121
26	222222
27	231231
28	232323
29	234234
30	234561
31	252525
32	261261
33	333333
34	414141
35	434343

[1,11,21,22,111,222,231,333,1111,2121,2222,2323, 2341,3333,4141,4343,4444,11111,22222,23451,33333, 44444,55555,111111,212121,222222,231231,232323, 234234,234561,252525,261261,333333,414141,434343]