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A236847 as a simple table

na(n)
00
11
22
33
44
50
66
77
88
95
100
1111
1212
1313
1414
150
1616
170
1810
1919
200
219
2222
230
2424
2525
2626
2715
2828
290
300
3131
3232
3329
340
350
3620
3737
3838
3923
400
4141
4218
430
4444
450
460
4747
4848
4921
5050
510
5252
530
5430
5555
5656
5753
580
5959
600
6161
6262
6327
6464
650
6658
6767
680
690
700
710
7240
7373
7474
7543
7676
7749
7846
790
800
8117
8282
830
8436
850
860
8787
8888
890
900
9191

[0,1,2,3,4,0,6,7,8,5,0,11,12,13,14,0,16,0,10,19,0,
 9,22,0,24,25,26,15,28,0,0,31,32,29,0,0,20,37,38,
 23,0,41,18,0,44,0,0,47,48,21,50,0,52,0,30,55,56,
 53,0,59,0,61,62,27,64,0,58,67,0,0,0,0,40,73,74,43,
 76,49,46,0,0,17,82,0,36,0,0,87,88,0,0,91]