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A131345 as a simple table

na(n)
01
12
21
33
42
51
65
75
83
91
108
1110
128
133
141
1513
1620
1719
1810
194
201
2121
2238
2342
2426
2514
264
271
2834
2971
3089
3165
3241
3316
345
351
3655
37130
38182
39151
40110
4150
4221
435
441
4589
46235
47363
48338
49276
50146
5172
5223
536
541
55144
56420
57709
58730
59659
60392
61223
6283
6329
646
651

[1,2,1,3,2,1,5,5,3,1,8,10,8,3,1,13,20,19,10,4,1,
 21,38,42,26,14,4,1,34,71,89,65,41,16,5,1,55,130,
 182,151,110,50,21,5,1,89,235,363,338,276,146,72,
 23,6,1,144,420,709,730,659,392,223,83,29,6,1]