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A163509 as a simple table

na(n)
11
22
31
44
55
62
71
88
99
1010
1111
124
135
142
151
1616
1717
1818
1919
2020
2121
2222
2323
248
259
2610
2711
284
295
302
311
3232
3333
3434
3535
3636
3737
3838
3939
4040
4141
4242
4343
4444
4545
4646
4747
4816
4917
5018
5119
5220
5321
5422
5523
568
579
5810
5911
604
615
622
631
6464
6565
6666
6767
6868
6969
7070
7171
7272
7373
7474
7575
7676
7777
7878

[1,2,1,4,5,2,1,8,9,10,11,4,5,2,1,16,17,18,19,20,
 21,22,23,8,9,10,11,4,5,2,1,32,33,34,35,36,37,38,
 39,40,41,42,43,44,45,46,47,16,17,18,19,20,21,22,
 23,8,9,10,11,4,5,2,1,64,65,66,67,68,69,70,71,72,
 73,74,75,76,77,78]