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A266840 as a simple table

na(n)
01
10
21
30
41
50
61
70
80
90
101
110
121
130
141
151
161
170
181
190
201
210
220
230
240
250
261
270
281
290
301
310
321
331
341
351
361
370
381
390
401
410
421
430
440
450
460
470
480
490
501
510
521
530
541
550
561
570
581
591
601
611
621
631
641
650
661
670
681
690
701
710
721
730
740
750
760
770
780
790
800
810
821
830
841
850

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