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A093686 as a simple table

na(n)
11
22
33
44
56
67
78
89
910
1012
1114
1216
1318
1419
1520
1621
1722
1823
1924
2025
2126
2227
2328
2429
2530
2632
2733
2834
2935
3036
3138
3239
3340
3441
3542
3643
3744
3845
3946
4047
4148
4249
4350
4451
4552
4653
4754
4856
4957
5058
5159
5260
5361
5462
5563
5664
5765
5866
5967
6068
6169
6270
6371
6472
6573
6674
6775
6876
6977
7078
7179

[1,2,3,4,6,7,8,9,10,12,14,16,18,19,20,21,22,23,24,
 25,26,27,28,29,30,32,33,34,35,36,38,39,40,41,42,
 43,44,45,46,47,48,49,50,51,52,53,54,56,57,58,59,
 60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,
 76,77,78,79]