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A257260 as a simple table

na(n)
10
21
30
41
50
61
72
81
90
101
110
121
132
141
150
161
170
181
192
201
210
221
230
241
252
261
273
281
293
301
312
321
330
341
350
361
372
381
390
401
410
421
432
441
450
461
470
481
492
501
513
521
533
541
552
561
570
581
590
601
612
621
630
641
650
661
672
681
690
701
710
721
732
741
753
761
773
781
792
801
810
821
830
841
852
861
870
881
890
901
912
921
930
941
950
961
972
981
993
1001
1013
1021
1032
1041
1050
1061
1070
1081
1092
1101
1110
1121
1130
1141
1152
1161
1170
1181
1190
1201

[0,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1,
 2,1,3,1,3,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1,2,
 1,3,1,3,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,
 3,1,3,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,3,
 1,3,1,2,1,0,1,0,1,2,1,0,1,0,1,2,1,0,1,0,1]