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A064478 as a simple table

na(n)
01
12
23
34
49
56
612
78
827
916
1018
1112
1236
1314
1424
1524
1681
1718
1848
1920
2054
2132
2236
2324
24108
2536
2642
2764
2872
2930
3072
3132
32243
3348
3454
3548
36144
3738
3860
3956
40162
4142
4296
4344
44108
4596
4672
4748
48324
4964
50108
5172
52126
5354
54192
5572
56216
5780
5890
5960
60216
6162
6296
63128
64729
6584
66144

[1,2,3,4,9,6,12,8,27,16,18,12,36,14,24,24,81,18,
 48,20,54,32,36,24,108,36,42,64,72,30,72,32,243,48,
 54,48,144,38,60,56,162,42,96,44,108,96,72,48,324,
 64,108,72,126,54,192,72,216,80,90,60,216,62,96,
 128,729,84,144]