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A195013 as a simple table

na(n)
12
23
34
46
56
69
78
812
910
1015
1112
1218
1314
1421
1516
1624
1718
1827
1920
2030
2122
2233
2324
2436
2526
2639
2728
2842
2930
3045
3132
3248
3334
3451
3536
3654
3738
3857
3940
4060
4142
4263
4344
4466
4546
4669
4748
4872
4950
5075
5152
5278
5354
5481
5556
5684
5758
5887
5960
6090
6162
6293
6364
6496
6566
6699
6768
68102

[2,3,4,6,6,9,8,12,10,15,12,18,14,21,16,24,18,27,
 20,30,22,33,24,36,26,39,28,42,30,45,32,48,34,51,
 36,54,38,57,40,60,42,63,44,66,46,69,48,72,50,75,
 52,78,54,81,56,84,58,87,60,90,62,93,64,96,66,99,
 68,102]