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A257004 as a simple table

na(n)
01
12
23
33
45
54
64
76
87
95
105
1110
127
1310
1411
159
166
178
1810
197
2010
2116
2212
2311
2416
258
2610
2712
2821
2917
308
3110
3214
3314
3418
3521
3613
3712
3814
3927
4011
4116
4226
4315
4417
4518
4623
4716
4810
4920
5025
5111
5213
5332
5414
5518
5626
5727
5818
5918
6038
6124
6215
6318
6428

[1,2,3,3,5,4,4,6,7,5,5,10,7,10,11,9,6,8,10,7,10,
 16,12,11,16,8,10,12,21,17,8,10,14,14,18,21,13,12,
 14,27,11,16,26,15,17,18,23,16,10,20,25,11,13,32,
 14,18,26,27,18,18,38,24,15,18,28]