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A115237 as a simple table

na(n)
01
12
21
34
44
51
66
78
84
91
109
1114
1210
134
141
1512
1620
1718
1810
194
201
2116
2228
2329
2420
2510
264
271
2820
2936
3041
3133
3220
3310
344
351
3625
3746
3856
3950
4035
4120
4210
434
441
4530
4656
4771
4869
4954
5035
5120
5210
534
541
5536
5668
5789
5892
5978
6056
6135
6220
6310
644
651
6642
6780
68107
69116
70105
7182
7256
7335
7420
7510
764
771

[1,2,1,4,4,1,6,8,4,1,9,14,10,4,1,12,20,18,10,4,1,
 16,28,29,20,10,4,1,20,36,41,33,20,10,4,1,25,46,56,
 50,35,20,10,4,1,30,56,71,69,54,35,20,10,4,1,36,68,
 89,92,78,56,35,20,10,4,1,42,80,107,116,105,82,56,
 35,20,10,4,1]