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A307797 as a simple table

na(n)
11
22
32
43
52
64
74
85
92
102
116
122
137
148
154
164
172
186
199
202
2110
224
232
242
252
2611
2712
284
296
3011
317
326
339
349
356
362
3711
3811
397
4013
4111
422
432
447
4514
462
4711
489
4915
5016
5117
5217
5310
547
5511
562
5718
5811
594
607
612
6212
6319
6418
6511
664
6710
6811
6910
706
7111
7213
7320
7421
7514
766
7722
7823
792
8024
814
8215
832
842
8525
8620
8726
8812
8927
907
9116
9228
9329
9430
9511
9631
9713
9829
9911

[1,2,2,3,2,4,4,5,2,2,6,2,7,8,4,4,2,6,9,2,10,4,2,2,
 2,11,12,4,6,11,7,6,9,9,6,2,11,11,7,13,11,2,2,7,14,
 2,11,9,15,16,17,17,10,7,11,2,18,11,4,7,2,12,19,18,
 11,4,10,11,10,6,11,13,20,21,14,6,22,23,2,24,4,15,
 2,2,25,20,26,12,27,7,16,28,29,30,11,31,13,29,11]