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A055185 as a simple table

na(n)
15
21
32
43
54
66
78
810
99
1011
1113
1212
1315
147
1517
1620
1716
1821
1922
2023
2118
2224
2325
2414
2526
2628
2719
2831
2932
3034
3133
3236
3337
3427
3540
3639
3742
3829
3935
4044
4145
4241
4330
4447
4546
4648
4751
4850
4953
5054
5149
5238
5357
5455
5558
5661
5760
5843
5964
6063
6167
6269
6366

[5,1,2,3,4,6,8,10,9,11,13,12,15,7,17,20,16,21,22,
 23,18,24,25,14,26,28,19,31,32,34,33,36,37,27,40,
 39,42,29,35,44,45,41,30,47,46,48,51,50,53,54,49,
 38,57,55,58,61,60,43,64,63,67,69,66]