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A287772 as a simple table

na(n)
11
20
30
41
51
60
70
81
90
100
111
121
130
140
151
161
170
180
191
200
210
221
231
240
250
261
270
280
291
301
310
320
331
341
350
360
371
380
390
401
411
420
430
441
451
460
470
481
490
500
511
521
530
540
551
560
570
581
591
600
610
621
631
640
650
661
670
680
691
701
710
720
731
740
750
761
771
780
790
801
811
820
830
841
850
860

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