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A268643 as a simple table

na(n)
00
11
20
30
40
50
60
70
80
90
101
112
121
131
141
151
161
171
181
191
200
211
220
230
240
250
260
270
280
290
300
311
320
330
340
350
360
370
380
390
400
411
420
430
440
450
460
470
480
490
500
511
520
530
540
550
560
570
580
590
600
611
620
630
640
650
660
670
680
690
700
711
720
730
740
750
760
770
780
790
800
811
820
830
840
850
860
870
880
890
900
911
920
930
940
950
960
970
980
990
1001

[0,1,0,0,0,0,0,0,0,0,1,2,1,1,1,1,1,1,1,1,0,1,0,0,
 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,
 0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,
 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,
 0,1]