A248954 - OEIS

A248954 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	22
12	33
13	44
14	55
15	66
16	77
17	88
18	99
19	111
20	142
21	214
22	222
23	284
24	333
25	421
26	428
27	444
28	555
29	666
30	777
31	842
32	888
33	999
34	1111
35	1142
36	1212
37	1242
38	1346
39	1421
40	1422
41	1442
42	2114
43	2121
44	2124
45	2142
46	2144
47	2214
48	2222
49	2284
50	2421
51	2424
52	2484
53	2842
54	2844

[1,2,3,4,5,6,7,8,9,11,22,33,44,55,66,77,88,99,111, 142,214,222,284,333,421,428,444,555,666,777,842, 888,999,1111,1142,1212,1242,1346,1421,1422,1442, 2114,2121,2124,2142,2144,2214,2222,2284,2421,2424, 2484,2842,2844]