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A268240 as a simple table

na(n)
01
11
21
31
41
50
60
71
80
91
101
111
121
131
140
151
161
171
181
191
201
210
220
230
240
250
260
270
280
290
301
310
320
330
341
351
361
371
380
390
400
410
420
430
440
451
460
470
480
491
501
511
520
530
541
551
561
570
580
591
600
611
620
630
640
650
661
670
680
690
701
710
720
730
740
750
760
771
780
791
800
811
820
831

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