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A307421 as a simple table

na(n)
11
21
31
40
51
61
71
81
90
101
111
120
131
141
151
161
171
180
191
200
211
221
231
241
250
261
271
280
291
301
311
320
331
341
351
360
371
381
391
401
411
421
431
440
450
461
471
481
490
500
511
520
531
541
551
561
571
581
591
600
611
621
630
641
651
661
671
680
691
701
711
720
731
741
750
760
771
781
791
801
811
821
831
840
851
861
871

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