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A283988 as a simple table

na(n)
10
21
30
40
51
62
72
81
90
100
111
120
130
141
150
160
171
184
194
203
210
220
235
242
252
265
270
280
293
304
314
321
330
344
351
360
370
383
392
402
413
428
438
445
454
464
471
480
490
501
514
524
535
548
558
563
572
582
593
600
610
621
634
640
651
666
672
681
694
708
719
724
734
7411
752
762
771
780
798
801
812
8210
833
840
850
865
870
880
891
900
910
923
930
940
959
962
972
989
990
1000
1013
1020
1030
1041
1050
1060
1075
1080
1090
1103
11110
1122
1131
1148
1150
1161
1172
1182
11911
1204

[0,1,0,0,1,2,2,1,0,0,1,0,0,1,0,0,1,4,4,3,0,0,5,2,
 2,5,0,0,3,4,4,1,0,4,1,0,0,3,2,2,3,8,8,5,4,4,1,0,0,
 1,4,4,5,8,8,3,2,2,3,0,0,1,4,0,1,6,2,1,4,8,9,4,4,
 11,2,2,1,0,8,1,2,10,3,0,0,5,0,0,1,0,0,3,0,0,9,2,2,
 9,0,0,3,0,0,1,0,0,5,0,0,3,10,2,1,8,0,1,2,2,11,4]