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A284468 as a simple table

na(n)
10
21
30
40
51
60
71
80
90
101
111
120
131
140
150
160
171
180
190
201
210
221
230
240
251
261
270
281
290
300
311
320
331
340
350
361
371
380
391
400
410
420
431
440
450
461
470
481
490
500
511
521
531
540
551
560
570
581
591
600
611
620
630
641
650
661
670
680
691
701
710
721
730
740
750
761
770
780
790
801
810
820
831
840
851
860

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