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A178503 as a simple table

na(n)
11
21
31
42
52
63
73
85
95
106
116
128
137
149
1510
1612
1710
1813
1911
2015
2115
2216
2314
2419
2519
2619
2721
2822
2919
3024
3120
3227
3326
3426
3528
3630
3725
3829
3931
4034
4128
4235
4329
4437
4538
4636
4732
4842
4941
5043
5142
5244
5337
5447
5547
5649
5747
5847
5942
6053
6143
6250
6355
6458
6556
6658
6748
6859
6958
7062
7151
7265
7352
7461

[1,1,1,2,2,3,3,5,5,6,6,8,7,9,10,12,10,13,11,15,15,
 16,14,19,19,19,21,22,19,24,20,27,26,26,28,30,25,
 29,31,34,28,35,29,37,38,36,32,42,41,43,42,44,37,
 47,47,49,47,47,42,53,43,50,55,58,56,58,48,59,58,
 62,51,65,52,61]