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A088241 as a simple table

na(n)
12
23
33
45
54
66
75
87
98
107
118
129
137
147
1510
169
1712
1811
1911
209
2113
2214
2311
2412
2515
2610
2712
2813
2917
3016
3111
3213
3317
3413
3517
3615
3712
3815
3920
4013
4118
4217
4321
4421
4518
4617
4721
4814
4921
5019
5124
5223
5319
5422
5515
5618
5720
5821
5919
6025
6118
6219
6323
6421
6527
6617
6727
6825
6919
7020
7127
7223
7328
7421
7526

[2,3,3,5,4,6,5,7,8,7,8,9,7,7,10,9,12,11,11,9,13,
 14,11,12,15,10,12,13,17,16,11,13,17,13,17,15,12,
 15,20,13,18,17,21,21,18,17,21,14,21,19,24,23,19,
 22,15,18,20,21,19,25,18,19,23,21,27,17,27,25,19,
 20,27,23,28,21,26]