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A215030 as a simple table

na(n)
12
21
30
41
50
61
70
81
90
101
112
121
132
141
152
161
170
181
192
201
210
221
230
241
250
261
272
281
290
301
312
321
330
341
352
361
370
381
390
401
412
421
430
441
450
461
470
481
490
501
510
521
532
541
550
561
572
581
590
601
612
621
630
641
652
661
670
681
692
701
712
721
732
741
750
761
772
781
792
801
810
821
832
841
850
861
872
881
892
901
912
921
932
941
952
961
970
981
992
1001
1010
1021
1032
1041
1050
1061
1072
1081
1090
1101
1112
1121
1132
1141
1152
1161
1170
1181
1192

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