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A164880 as a simple table

na(n)
10
22
33
42
55
61
77
82
93
102
1111
121
1313
142
152
162
1717
181
1919
201
212
222
2323
241
255
262
273
281
2929
301
3131
322
333
342
354
361
3737
382
393
401
4141
421
4343
442
452
462
4747
481
497
502
513
522
5353
541
554
561
573
582
5959
601
6161
622
632
642
654
661
6767
682
693
702
7171
721
7373
742
752
762
775
781
7979
801
813
822
8383
841
854
862
873
881
8989
901
915
922
933
942
954
961

[0,2,3,2,5,1,7,2,3,2,11,1,13,2,2,2,17,1,19,1,2,2,
 23,1,5,2,3,1,29,1,31,2,3,2,4,1,37,2,3,1,41,1,43,2,
 2,2,47,1,7,2,3,2,53,1,4,1,3,2,59,1,61,2,2,2,4,1,
 67,2,3,2,71,1,73,2,2,2,5,1,79,1,3,2,83,1,4,2,3,1,
 89,1,5,2,3,2,4,1]