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A147861 as a simple table

na(n)
11
21
31
41
50
61
71
82
90
101
111
120
130
140
151
161
172
182
190
200
211
221
230
240
250
260
270
281
291
302
310
322
330
340
350
361
371
380
393
400
410
420
430
440
451
461
472
480
490
502
510
520
530
540
551
561
570
580
590
600
610
620
630
640
650
661
671
682
693
703
710
722
730
740
750
760
770
781
791
800
810
820
830
840
850
860
870
880
890
900
911

[1,1,1,1,0,1,1,2,0,1,1,0,0,0,1,1,2,2,0,0,1,1,0,0,
 0,0,0,1,1,2,0,2,0,0,0,1,1,0,3,0,0,0,0,0,1,1,2,0,0,
 2,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,2,3,3,0,2,0,0,
 0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1]