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A288640 as a simple table

na(n)
10
21
30
41
50
61
71
80
91
100
110
121
131
140
151
160
170
180
191
200
210
221
230
241
250
261
271
280
290
301
311
320
330
341
350
360
370
381
391
400
410
421
431
440
451
460
471
481
490
500
511
520
531
540
550
561
571
580
590
600
611
621
631
640
651
661
670
680
690
701
711
720
730
740
751
760
771
780
790
801
811
821
830
841
851
861
871
880
890
901

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