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A306863 as a simple table

na(n)
12
22
31
40
52
60
71
82
91
100
111
120
132
140
151
162
170
181
191
200
211
220
230
241
252
262
271
280
290
300
310
320
331
341
350
362
370
380
390
402
410
421
430
441
451
460
471
480
492
500
510
520
532
542
550
560
570
580
591
600
610
620
630
641
652
661
670
682
690
700
710
721
730
741
750
761
770
782
790
801
812
820
830
840
851
860
870

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