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A190621 as a simple table

na(n)
00
11
22
33
40
55
66
77
80
99
1010
1111
120
1313
1414
1515
160
1717
1818
1919
200
2121
2222
2323
240
2525
2626
2727
280
2929
3030
3131
320
3333
3434
3535
360
3737
3838
3939
400
4141
4242
4343
440
4545
4646
4747
480
4949
5050
5151
520
5353
5454
5555
560
5757
5858
5959
600
6161
6262
6363
640
6565
6666
6767
680
6969
7070
7171
720
7373
7474
7575
760
7777
7878
7979
800
8181
8282
8383
840
8585
8686

[0,1,2,3,0,5,6,7,0,9,10,11,0,13,14,15,0,17,18,19,
 0,21,22,23,0,25,26,27,0,29,30,31,0,33,34,35,0,37,
 38,39,0,41,42,43,0,45,46,47,0,49,50,51,0,53,54,55,
 0,57,58,59,0,61,62,63,0,65,66,67,0,69,70,71,0,73,
 74,75,0,77,78,79,0,81,82,83,0,85,86]