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A228815 as a simple table

na(n)
00
11
21
31
42
51
62
75
85
92
103
1110
1214
1310
143
155
1620
1736
1836
1920
205
218
2238
2383
24106
2583
2638
278
2813
2971
30182
31281
32281
33182
3471
3513
3621
37130
38382
39690
40834
41690
42382
43130
4421
4534
46235
47778
481606
492268
502268
511606
52778
53235
5434
5555
56420
571546
583586
595780
606750

[0,1,1,1,2,1,2,5,5,2,3,10,14,10,3,5,20,36,36,20,5,
 8,38,83,106,83,38,8,13,71,182,281,281,182,71,13,
 21,130,382,690,834,690,382,130,21,34,235,778,1606,
 2268,2268,1606,778,235,34,55,420,1546,3586,5780,
 6750]