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A101991 as a simple table

na(n)
10
22
33
40
55
60
77
80
90
100
1111
122
1331
1441
155
1661
1771
180
1919
202
212
222
2323
242
255
262
277
282
2929
303
3131
3223
333
3443
3553
363
3773
3883
393
400
4141
422
4343
440
455
460
4747
480
490
505
515
525
5353
545
555
565
577
585
5959
600
6161
622
633
640
655
660
6767
680
690
707
7171
727
7373
7447
757
7667
777
787
7997
800
810
822
8383
840
855
860
877
880
8989
900
9119

[0,2,3,0,5,0,7,0,0,0,11,2,31,41,5,61,71,0,19,2,2,
 2,23,2,5,2,7,2,29,3,31,23,3,43,53,3,73,83,3,0,41,
 2,43,0,5,0,47,0,0,5,5,5,53,5,5,5,7,5,59,0,61,2,3,
 0,5,0,67,0,0,7,71,7,73,47,7,67,7,7,97,0,0,2,83,0,
 5,0,7,0,89,0,19]