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A302031 as a simple table

na(n)
10
21
31
41
51
62
71
81
91
102
111
122
131
142
152
161
171
182
191
202
211
222
231
242
251
262
272
282
291
303
311
321
332
342
352
362
371
382
392
402
411
422
431
442
451
462
471
482
491
502
512
522
531
543
551
562
572
582
592
603
611
622
632
641
652
663
671
682
692
703
711
722
731
742
752
762
771
783
792
802
812
822
831
842
851
862
873
882
891
902
911
922
931
942
952
962
971
982
992
1002
1011
1023
1032
1042
1052

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