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A298941 as a simple table

na(n)
21
31
40
51
61
71
80
90
101
111
121
131
141
151
160
171
181
191
201
211
221
231
241
250
261
270
281
291
302
311
320
331
341
351
361
371
381
391
401
411
422
431
441
451
461
471
481
490
501
511
521
531
541
551
561
571
581
591
603
611
621
631
640
651
662
671
681
691
702
711
722
731
741
751
761
771
782
791
801
810
821
831
843
851
861
871
881
891
903

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