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A307666 as a simple table

na(n)
11
20
31
41
50
61
70
80
91
102
110
120
130
140
151
161
170
180
191
201
211
220
230
240
251
260
270
281
290
300
311
320
330
341
351
362
370
380
390
400
410
420
430
440
451
461
470
480
491
500
510
521
530
540
552
561
570
580
590
600
610
620
630
642
650
661
670
680
690
700
710
720
730
741
750
760
770
781
790
801
811
820
831
841
851
860
870
880
890
900
911
920
930
940
950
960
970
980
990
1002

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