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A120510 as a simple table

na(n)
11
21
31
41
52
63
74
84
94
104
114
125
136
147
158
168
179
1810
1911
2012
2112
2213
2314
2415
2516
2616
2716
2816
2916
3016
3117
3218
3319
3420
3520
3621
3722
3823
3924
4024
4125
4226
4327
4428
4528
4629
4730
4831
4932
5032
5132
5233
5334
5435
5536
5636
5737
5838
5939
6040

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