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A233931 as a simple table

na(n)
00
10
21
30
43
51
63
70
87
93
106
111
129
133
147
150
1615
177
1812
193
2016
216
2212
231
2421
259
2616
273
2821
297
3015
310
3231
3315
3424
357
3630
3712
3822
393
4036
4116
4227
436
4434
4512
4624
471
4845
4921
5034
519
5242
5316
5430
553
5649
5721
5836
597
6045
6115
6231
630
6463
6531
6648
6715
6858
6924
7042
717
7266
7330
7449
7512
7660
7722
7842
793
8076
8136
8257

[0,0,1,0,3,1,3,0,7,3,6,1,9,3,7,0,15,7,12,3,16,6,
 12,1,21,9,16,3,21,7,15,0,31,15,24,7,30,12,22,3,36,
 16,27,6,34,12,24,1,45,21,34,9,42,16,30,3,49,21,36,
 7,45,15,31,0,63,31,48,15,58,24,42,7,66,30,49,12,
 60,22,42,3,76,36,57]