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A213381 as a simple table

na(n)
01
11
20
32
44
53
60
77
86
95
104
116
128
1313
140
158
1616
179
184
1919
2012
2111
2216
2317
2414
257
264
2714
2816
2915
300
3131
3218
3313
3416
3518
3620
3737
3824
3920
4016
4121
424
437
4424
4523
4616
4717
486
4949
504
5126
5234
533
548
5555
5630
5729
584
5930
6032
6161
620
6357
6416
6533
664
6767
6846
6935
7016
7136
7238

[1,1,0,2,4,3,0,7,6,5,4,6,8,13,0,8,16,9,4,19,12,11,
 16,17,14,7,4,14,16,15,0,31,18,13,16,18,20,37,24,
 20,16,21,4,7,24,23,16,17,6,49,4,26,34,3,8,55,30,
 29,4,30,32,61,0,57,16,33,4,67,46,35,16,36,38]