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A267308 as a simple table

na(n)
11
22
33
44
57
66
75
88
99
1010
1112
1214
1318
1420
1511
1615
1713
1819
1921
2016
2122
2225
2324
2417
2523
2626
2729
2830
2928
3027
3132
3236
3334
3440
3533
3631
3737
3843
3946
4049
4148
4235
4339
4441
4538
4642
4747
4850
4954
5044
5145
5252
5360
5453
5551
5655
5757
5859
5965
6056
6162
6263
6358
6466
6561
6664
6769
6868
6975
7067
7170
7272
7374
7478
7582
7673
7779
7881
7980
8071
8189
8284
8377

[1,2,3,4,7,6,5,8,9,10,12,14,18,20,11,15,13,19,21,
 16,22,25,24,17,23,26,29,30,28,27,32,36,34,40,33,
 31,37,43,46,49,48,35,39,41,38,42,47,50,54,44,45,
 52,60,53,51,55,57,59,65,56,62,63,58,66,61,64,69,
 68,75,67,70,72,74,78,82,73,79,81,80,71,89,84,77]