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A167514 as a simple table

na(n)
11
21
32
43
54
65
76
87
92
108
119
123
1310
1411
154
165
1712
1813
196
2014
2115
227
238
249
2510
2616
2717
2818
2919
3011
3112
3213
3320
3421
3522
3623
3714
3815
3916
4017
4124
4225
4326
4427
4528
4629
4718
4819
4930
5031
5120
5232
5333
5421
5522
5623
5734
5835
5924
6036
6137
6225
6326
6438
6539
6627
6728
6829
6940
7041
7130
7231
7332
7433
7534

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