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A309712 as a simple table

na(n)
00
10
20
30
41
51
62
72
83
93
105
116
129
1310
1413
1514
1618
1720
1825
1928
2034
2137
2244
2348
2456
2561
2670
2776
2887
2994
30106
31114
32127
33136
34151
35162
36179
37191
38209
39222
40242
41257
42279
43296
44320
45338
46364
47384
48412
49434
50464
51488
52521
53547
54582
55610
56647
57677
58717
59750

[0,0,0,0,1,1,2,2,3,3,5,6,9,10,13,14,18,20,25,28,
 34,37,44,48,56,61,70,76,87,94,106,114,127,136,151,
 162,179,191,209,222,242,257,279,296,320,338,364,
 384,412,434,464,488,521,547,582,610,647,677,717,
 750]