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A301573 as a simple table

na(n)
01
10
21
31
40
51
62
71
80
90
101
112
123
133
142
151
160
171
182
193
204
214
223
232
241
250
261
270
281
292
302
311
320
331
342
351
360
371
382
393
404
415
426
436
445
454
463
472
481
490
501
512
523
534
545
556
567
577
586
595
604
613
622
631
640
651
662
673
684
695
706
717
728
738
747
756
765
774
783
792
801
810
821
832
843
854
865
876
887
898
909
919
928
937
946
955
964
973
982
991
1000

[1,0,1,1,0,1,2,1,0,0,1,2,3,3,2,1,0,1,2,3,4,4,3,2,
 1,0,1,0,1,2,2,1,0,1,2,1,0,1,2,3,4,5,6,6,5,4,3,2,1,
 0,1,2,3,4,5,6,7,7,6,5,4,3,2,1,0,1,2,3,4,5,6,7,8,8,
 7,6,5,4,3,2,1,0,1,2,3,4,5,6,7,8,9,9,8,7,6,5,4,3,2,
 1,0]