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A209187 as a simple table

na(n)
11
22
33
45
55
68
77
811
910
1012
1111
1220
1313
1416
1517
1623
1717
1827
1919
2030
2123
2224
2323
2444
2526
2628
2731
2840
2929
3050
3131
3247
3335
3436
3537
3667
3737
3840
3941
4066
4141
4266
4343
4460
4557
4648
4747
4892
4950
5063
5153
5270
5353
5484
5557
5688
5759
5860
5959
60124
6161
6264
6377
6495
6567
6698
6767
6890
6971
7098
7171

[1,2,3,5,5,8,7,11,10,12,11,20,13,16,17,23,17,27,
 19,30,23,24,23,44,26,28,31,40,29,50,31,47,35,36,
 37,67,37,40,41,66,41,66,43,60,57,48,47,92,50,63,
 53,70,53,84,57,88,59,60,59,124,61,64,77,95,67,98,
 67,90,71,98,71]