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A138712 as a simple table

na(n)
10
21
31
41
50
60
70
80
90
100
111
121
131
141
151
161
171
181
191
201
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
361
371
381
391
401
411
421
431
441
451
461
471
481
491
501
511
521
531
541
551
561
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790
800
810
820
830
840

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