A083764 - OEIS

A083764 as a simple table

n	a(n)
1	1
2	2
3	22
4	3
5	33
6	303
7	4
8	44
9	404
10	424
11	5
12	55
13	505
14	515
15	525
16	6
17	66
18	606
19	636
20	666
21	696
22	7
23	77
24	707
25	777
26	7007
27	7777
28	70007
29	8
30	88
31	808
32	848
33	888
34	8008
35	8448
36	8888
37	9
38	99
39	909
40	999
41	9009
42	9999
43	90009
44	90909
45	91719

[1,2,22,3,33,303,4,44,404,424,5,55,505,515,525,6, 66,606,636,666,696,7,77,707,777,7007,7777,70007,8, 88,808,848,888,8008,8448,8888,9,99,909,999,9009, 9999,90009,90909,91719]