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A077220 as a simple table

na(n)
11
22
34
46
59
612
73
87
98
1013
1115
1221
1324
1431
155
1610
1711
1817
1919
2026
2129
2216
2320
2425
2530
2636
2742
2849
2956
3022
3114
3241
3337
3418
3527
3628
3738
3840
3951
4054
4166
4239
4352
4453
4567
4669
4784
4887
4933
5045
5146
5232
5323
5443
5535
5670
5750
5855
5965
6071
6134
6244
6347
6458
6562
6674
6779
6857
6948
7072
7164
7289

[1,2,4,6,9,12,3,7,8,13,15,21,24,31,5,10,11,17,19,
 26,29,16,20,25,30,36,42,49,56,22,14,41,37,18,27,
 28,38,40,51,54,66,39,52,53,67,69,84,87,33,45,46,
 32,23,43,35,70,50,55,65,71,34,44,47,58,62,74,79,
 57,48,72,64,89]