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A131555 as a simple table

na(n)
00
10
21
31
42
52
60
70
81
91
102
112
120
130
141
151
162
172
180
190
201
211
222
232
240
250
261
271
282
292
300
310
321
331
342
352
360
370
381
391
402
412
420
430
441
451
462
472
480
490
501
511
522
532
540
550
561
571
582
592
600
610
621
631
642
652
660
670
681
691
702
712
720
730
741
751
762
772
780
790
801
811
822
832
840
850
861
871
882
892
900
910
921
931
942
952
960
970
981
991
1002
1012
1020
1030
1041

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