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A261366 as a simple table

na(n)
00
11
21
32
41
54
63
74
81
98
107
118
125
1310
147
158
161
1716
1815
1916
2013
2118
2215
2316
249
2522
2619
2720
2813
2922
3015
3116
321
3332
3431
3532
3629
3734
3831
3932
4025
4138
4235
4336
4429
4538
4631
4732
4817
4946
5043
5144
5237
5346
5439
5540
5625
5750
5843
5944
6029
6146
6231
6332
641
6564
6663
6764
6861

[0,1,1,2,1,4,3,4,1,8,7,8,5,10,7,8,1,16,15,16,13,
 18,15,16,9,22,19,20,13,22,15,16,1,32,31,32,29,34,
 31,32,25,38,35,36,29,38,31,32,17,46,43,44,37,46,
 39,40,25,50,43,44,29,46,31,32,1,64,63,64,61]