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A272400 as a simple table

na(n)
11
22
33
43
56
64
75
89
98
107
117
1215
1312
1414
156
1611
1721
1820
1921
2012
2112
2213
2333
2428
2535
2618
2724
288
2917
3039
3144
3249
3330
3436
3516
3615
3719
3851
3952
4077
4142
4260
4324
4430
4513
4623
4757
4868
4991
5066
5184
5240
5345
5426
5518
5629
5769
5876
59119
6078
61132
6256
6375
6439
6536
6612
6731
6887
6992
70133
71102
72156
7388
74105
7565
7654
7724
7828

[1,2,3,3,6,4,5,9,8,7,7,15,12,14,6,11,21,20,21,12,
 12,13,33,28,35,18,24,8,17,39,44,49,30,36,16,15,19,
 51,52,77,42,60,24,30,13,23,57,68,91,66,84,40,45,
 26,18,29,69,76,119,78,132,56,75,39,36,12,31,87,92,
 133,102,156,88,105,65,54,24,28]