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A117123 as a simple table

na(n)
11
21
33
42
54
65
77
85
97
108
1110
1210
1312
1413
1515
1612
1714
1815
1917
2017
2119
2220
2322
2421
2523
2624
2726
2826
2928
3029
3131
3227
3329
3430
3532
3632
3734
3835
3937
4036
4138
4239
4341
4441
4543
4644
4746
4844
4946
5047
5149
5249
5351
5452
5554
5653
5755
5856
5958
6058
6160
6261
6363
6458
6560
6661
6763
6863
6965
7066
7168
7267
7369

[1,1,3,2,4,5,7,5,7,8,10,10,12,13,15,12,14,15,17,
 17,19,20,22,21,23,24,26,26,28,29,31,27,29,30,32,
 32,34,35,37,36,38,39,41,41,43,44,46,44,46,47,49,
 49,51,52,54,53,55,56,58,58,60,61,63,58,60,61,63,
 63,65,66,68,67,69]