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A047751 as a simple table

na(n)
11
20
30
40
51
60
70
80
90
100
110
120
130
140
150
160
171
180
190
200
210
220
230
240
250
260
270
280
291
300
310
320
330
340
350
360
370
380
390
400
412
420
430
440
450
460
470
480
490
500
510
520
533
540
550
560
570
580
590
600
610
620
630
640
657
660
670
680
690
700
710
720
730
740
750
760
7712
780
790
800
810
820
830
840
850
860
870
880
8930
900
910

[1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,
 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,
 0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,
 0,0,12,0,0,0,0,0,0,0,0,0,0,0,30,0,0]