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A264739 as a simple table

na(n)
11
21
30
41
50
61
70
81
90
101
110
121
130
140
150
161
170
181
190
201
210
221
230
241
250
260
270
281
290
301
310
321
330
340
350
361
370
380
390
401
410
421
430
441
450
461
470
481
490
500
510
521
530
541
550
561
570
581
590
601
610
620
630
641
650
661
670
680
690
701
710
721
730
740
750
760
770
781
790
801
810
821
830
841
850
860

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