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A284680 as a simple table

na(n)
11
20
30
40
51
61
71
81
90
100
110
121
130
140
150
161
170
180
190
201
210
220
230
241
251
261
271
280
290
300
311
321
331
341
350
360
370
381
391
401
411
420
430
440
451
461
471
481
490
500
510
521
530
540
550
561
570
580
590
601
610
620
630
641
651
661
671
680
690
700
711
720
730
740
751
760
770
780
791
800
810
820
831
841
851
861

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