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A257161 as a simple table

na(n)
01
12
21
33
45
54
61
72
82
95
101
114
127
136
1411
153
161
172
1810
197
202
217
221
2311
249
258
262
274
2821
297
301
312
324
339
346
3521
362
373
381
3927
4011
4110
423
435
4417
456
4623
4716
481
492
508
5111
522
5315
542
556
562
5727
581

[1,2,1,3,5,4,1,2,2,5,1,4,7,6,11,3,1,2,10,7,2,7,1,
 11,9,8,2,4,21,7,1,2,4,9,6,21,2,3,1,27,11,10,3,5,
 17,6,23,16,1,2,8,11,2,15,2,6,2,27,1]