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A288673 as a simple table

na(n)
10
21
30
40
50
60
71
80
90
100
110
120
130
140
150
161
171
180
190
201
210
220
230
240
251
260
270
280
290
300
310
320
330
341
351
360
370
380
390
400
410
421
431
440
450
460
470
480
490
501
511
520
530
541
551
560
570
581
591
600
610
621
630
640
650
660
671
680
690
700
710
721
730
740
750
760
770
780
790
800
811
821
830
840
851
860

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