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A237451 as a simple table

na(n)
10
20
31
40
51
60
71
82
90
101
112
120
131
142
150
161
172
183
190
201
212
223
230
241
252
263
270
281
292
303
310
321
332
343
354
360
371
382
393
404
410
421
432
443
454
460
471
482
493
504
510
521
532
543
554
560
571
582
593
604
615
620
631
642
653
664
675
680
691
702
713
724
735
740
751
762
773
784
795
800
811
822
833
844
855
860
871
882
893
904
915

[0,0,1,0,1,0,1,2,0,1,2,0,1,2,0,1,2,3,0,1,2,3,0,1,
 2,3,0,1,2,3,0,1,2,3,4,0,1,2,3,4,0,1,2,3,4,0,1,2,3,
 4,0,1,2,3,4,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,
 1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5]