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A248737 as a simple table

na(n)
00
11
22
33
42
55
62
77
82
96
101
1111
123
1313
145
151
167
1717
186
1919
202
213
222
2323
242
2511
262
276
281
2929
303
3131
325
333
347
351
363
3737
3811
393
408
4141
422
4343
442
456
461
4747
483
4915
501
512
521
5353
543
556
561
572
581
5959
603
6161
625
633
647
653
661
6767
6811
694
701
7171
723
7373
745
751
767
771
786
7979

[0,1,2,3,2,5,2,7,2,6,1,11,3,13,5,1,7,17,6,19,2,3,
 2,23,2,11,2,6,1,29,3,31,5,3,7,1,3,37,11,3,8,41,2,
 43,2,6,1,47,3,15,1,2,1,53,3,6,1,2,1,59,3,61,5,3,7,
 3,1,67,11,4,1,71,3,73,5,1,7,1,6,79]