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A255647 as a simple table

na(n)
01
11
21
30
41
50
60
70
81
91
100
111
120
132
140
150
161
170
181
192
200
210
221
232
240
251
262
270
280
292
300
312
321
330
340
350
361
370
382
390
400
410
420
432
441
450
462
472
480
491
501
510
522
530
540
550
560
570
582
590
600
612
622
630
641
650
660
670
680
690
700
712
721
730
740
750
762
770
780
790
800
811
820
832
840
850
862

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