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A020910 as a simple table

na(n)
01
11
22
33
43
53
65
76
86
98
107
116
128
138
1411
159
1612
1710
1812
1913
2013
2114
2218
2313
2416
2516
2615
2719
2819
2918
3018
3115
3220
3316
3420
3525
3623
3724
3821
3922
4023
4123
4228
4328
4428
4524
4633
4728
4825
4936
5033
5134
5237
5339
5438
5530
5635
5731
5831
5933
6041
6145
6246
6339
6438
6547
6650
6747
6845
6943
7049
7151
7249
7346
7444
7550
7645

[1,1,2,3,3,3,5,6,6,8,7,6,8,8,11,9,12,10,12,13,13,
 14,18,13,16,16,15,19,19,18,18,15,20,16,20,25,23,
 24,21,22,23,23,28,28,28,24,33,28,25,36,33,34,37,
 39,38,30,35,31,31,33,41,45,46,39,38,47,50,47,45,
 43,49,51,49,46,44,50,45]