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A037805 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
101
111
121
131
140
150
160
171
181
191
201
210
220
230
240
251
261
271
280
290
300
310
320
331
341
350
360
370
380
390
400
411
420
430
440
450
460
470
480
490
501
511
521
531
541
551
560
570
581
591
601
611
621
631
641
651
662
672
682
692
701
711
721
731
742
752
762
771
781
791
801
811
822
832
841
851
861
871
881
891
902

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