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A037047 as a simple table

na(n)
11
20
31
40
50
60
72
80
91
100
110
120
130
140
150
160
171
180
190
200
210
220
231
240
250
260
271
280
290
300
310
320
332
340
350
360
370
380
391
400
410
420
430
440
450
460
470
480
490
500
512
520
530
540
550
560
570
580
590
600
610
620
631
640
650
660
670
680
691
700
710
720
730
740
750
760
770
780
790
800
812
820
830
840
850
860
870
880
890
900
910
920
931
940
950
960
970
980
991
1000
1010
1020
1030
1040
1050

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