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A055263 as a simple table

na(n)
00
11
23
36
41
56
63
71
89
99
1010
113
126
1310
146
153
1610
179
189
1910
203
216
2210
236
243
2510
269
279
2810
2912
306
3110
326
3312
3410
359
369
3710
3812
396
4010
416
4212
4310
449
459
4610
4712
486
4910
506
5112
5210
539
549
5510
5612
5715
5810
5915
6012
6110
629
639
6410
6512
6615
6710
6815
6912
7010
719
729
7310
7412
7515
7610
7715
7812
7910
809
819
8210

[0,1,3,6,1,6,3,1,9,9,10,3,6,10,6,3,10,9,9,10,3,6,
 10,6,3,10,9,9,10,12,6,10,6,12,10,9,9,10,12,6,10,6,
 12,10,9,9,10,12,6,10,6,12,10,9,9,10,12,15,10,15,
 12,10,9,9,10,12,15,10,15,12,10,9,9,10,12,15,10,15,
 12,10,9,9,10]