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A267525 as a simple table

na(n)
01
10
21
30
40
50
61
70
81
90
100
110
121
130
141
151
160
170
181
190
201
210
221
231
241
250
260
270
281
290
301
310
321
331
341
351
360
370
381
390
401
410
421
430
441
451
461
471
481
490
500
510
521
530
541
550
561
570
581
591
601
611
621
631
640
650
661
670
681
690
701
710
721
730
741
751
761
771
781
791
801
810
820
830
841
850

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