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A026233 as a simple table

na(n)
11
21
32
42
53
63
74
84
95
106
115
127
136
148
159
1610
177
1811
198
2012
2113
2214
239
2415
2516
2617
2718
2819
2910
3020
3111
3221
3322
3423
3524
3625
3712
3826
3927
4028
4113
4229
4314
4430
4531
4632
4715
4833
4934
5035
5136
5237
5316
5438
5539
5640
5741
5842
5917
6043
6118
6244
6345
6446
6547
6648

[1,1,2,2,3,3,4,4,5,6,5,7,6,8,9,10,7,11,8,12,13,14,
 9,15,16,17,18,19,10,20,11,21,22,23,24,25,12,26,27,
 28,13,29,14,30,31,32,15,33,34,35,36,37,16,38,39,
 40,41,42,17,43,18,44,45,46,47,48]