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A287674 as a simple table

na(n)
11
20
30
41
51
61
70
80
91
101
110
120
131
141
151
160
170
181
191
201
210
220
231
241
250
260
271
281
291
300
310
321
331
340
350
361
371
381
390
400
411
421
431
440
450
461
471
480
490
501
511
521
530
540
551
561
571
580
590
601
611
620
630
641
651
661
670
680
691
701
710
720
731
741
751
760
770
781
791
801
810
820
831
841
850
860

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