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A217122 as a simple table

na(n)
11
22
34
43
56
67
79
85
910
1011
1113
1212
1315
1416
1518
168
1717
1819
1921
2020
2123
2224
2326
2422
2527
2628
2730
2829
2932
3033
3135
3214
3331
3434
3537
3636
3739
3840
3942
4038
4143
4244
4346
4445
4548
4649
4751
4841
4950
5052
5154
5253
5356
5457
5559
5655
5760
5861
5963
6062
6165
6266
6368
6425
6558
6664
6769
6867
6971
7072
7174
7270
7375
7476
7578
7677
7780
7881
7983
8073
8182
8284
8386
8485
8588
8689
8791
8887
8992

[1,2,4,3,6,7,9,5,10,11,13,12,15,16,18,8,17,19,21,
 20,23,24,26,22,27,28,30,29,32,33,35,14,31,34,37,
 36,39,40,42,38,43,44,46,45,48,49,51,41,50,52,54,
 53,56,57,59,55,60,61,63,62,65,66,68,25,58,64,69,
 67,71,72,74,70,75,76,78,77,80,81,83,73,82,84,86,
 85,88,89,91,87,92]