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A286993 as a simple table

na(n)
11
21
30
40
50
61
71
80
90
100
111
120
130
140
151
161
170
180
190
201
210
220
230
241
251
260
270
280
291
301
310
320
330
341
350
360
370
381
391
400
410
420
431
440
450
460
471
481
490
500
510
521
531
540
550
560
571
580
590
600
611
621
630
640
650
661
670
680
690
701
711
720
730
740
751
760
770
780
791
801
810
820
830
841
851
860

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