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A228710 as a simple table

na(n)
01
11
21
31
41
51
61
71
81
91
101
110
121
130
141
150
161
170
181
190
200
211
220
231
240
251
260
271
280
291
301
310
321
330
341
350
361
370
381
390
400
411
420
431
440
451
460
471
480
491
501
510
521
530
541
550
561
570
581
590
600
611
620
631
640
651
660
671
680
691
701
710
721
730
741
750
761
770
781
790
800
811
820
831
840
851

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