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A054521 as a simple table

na(n)
11
21
30
41
51
60
71
80
91
100
111
121
131
141
150
161
170
180
190
201
210
221
231
241
251
261
271
280
291
300
311
320
331
340
351
360
371
381
390
401
411
420
431
441
450
461
470
481
490
500
510
521
530
541
550
561
571
581
591
601
611
621
631
641
651
660
671
680
690
700
711
720
731
740
750
760
771
780
791
801
811
821
831
841
851
861
871
881
891
901
910
921
930

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