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A309511 as a simple table

na(n)
00
10
20
33
42
54
64
78
88
913
1012
1118
1218
1324
1424
1533
1632
1740
1840
1950
2050
2161
2260
2372
2472
2584
2684
2799
2898
29112
30112
31128
32128
33145
34144
35162
36162
37180
38180
39201
40200
41220
42220
43242
44242
45265
46264
47288
48288
49312
50312
51339
52338
53364
54364
55392
56392
57421
58420

[0,0,0,3,2,4,4,8,8,13,12,18,18,24,24,33,32,40,40,
 50,50,61,60,72,72,84,84,99,98,112,112,128,128,145,
 144,162,162,180,180,201,200,220,220,242,242,265,
 264,288,288,312,312,339,338,364,364,392,392,421,
 420]