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A288741 as a simple table

na(n)
10
21
30
41
51
60
70
80
90
101
110
121
131
140
151
161
170
181
191
200
210
220
230
241
250
261
271
280
290
300
310
321
330
341
351
360
371
381
390
401
411
420
431
441
450
461
471
480
490
500
510
521
530
541
551
560
570
580
590
601
610
621
631
640
651
661
670
681
691
700
710
720
730
741
750
761
771
780
790
800
810
821
830
841
851
860

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