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A120508 as a simple table

na(n)
11
21
32
43
54
64
74
85
96
107
118
128
139
1410
1511
1612
1712
1813
1914
2015
2116
2216
2316
2416
2517
2618
2719
2820
2920
3021
3122
3223
3324
3424
3525
3626
3727
3828
3928
4029
4130
4231
4332
4432
4532
4633
4734
4835
4936
5036
5137
5238
5339
5440
5540
5641
5742
5843
5944
6044

[1,1,2,3,4,4,4,5,6,7,8,8,9,10,11,12,12,13,14,15,
 16,16,16,16,17,18,19,20,20,21,22,23,24,24,25,26,
 27,28,28,29,30,31,32,32,32,33,34,35,36,36,37,38,
 39,40,40,41,42,43,44,44]