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A275974 as a simple table

na(n)
11
21
32
43
53
63
73
83
94
105
116
127
138
149
1510
1611
1711
1811
1911
2011
2111
2211
2311
2411
2511
2611
2711
2811
2911
3011
3111
3211
3312
3413
3514
3615
3716
3817
3918
4019
4120
4221
4322
4423
4524
4625
4726
4827
4928
5029
5130
5231
5332
5433
5534
5635
5736
5837
5938
6039
6140
6241
6342
6443
6543
6643
6743
6843

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