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A037912 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
100
111
120
130
140
150
160
170
180
191
200
211
220
230
240
250
260
270
280
291
300
311
320
330
340
350
360
370
380
391
400
411
420
430
440
450
460
470
480
491
500
511
520
530
540
550
560
570
580
591
600
611
620
630
640
650
660
670
680
691
700
711
720
730
740
750
760
770
780
791
800
811
822
831
841
851
861
871
881
891
901

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