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A147806 as a simple table

na(n)
10
20
31
41
52
62
74
85
96
106
117
128
1311
1411
1512
1612
1715
1817
1918
2018
2121
2222
2325
2425
2526
2626
2729
2830
2931
3032
3135
3237
3340
3441
3542
3642
3745
3847
3948
4048
4150
4251
4356
4457
4558
4659
4766
4867
4968
5069
5170
5271
5374
5474
5577
5677
5784
5885
5986
6087
6188
6289
6392
6493
6594
6694
6797
68100
69101
70103
71104
72107

[0,0,1,1,2,2,4,5,6,6,7,8,11,11,12,12,15,17,18,18,
 21,22,25,25,26,26,29,30,31,32,35,37,40,41,42,42,
 45,47,48,48,50,51,56,57,58,59,66,67,68,69,70,71,
 74,74,77,77,84,85,86,87,88,89,92,93,94,94,97,100,
 101,103,104,107]