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A093958 as a simple table

na(n)
10
20
30
40
50
61
70
80
90
100
110
121
130
140
150
160
170
181
190
200
210
220
230
241
250
260
270
280
290
301
311
320
330
340
350
360
371
380
390
400
410
420
431
440
450
460
470
480
491
500
510
520
530
540
551
560
570
580
590
600
611
621
630
640
650
660
670
681
690
700
710
720
730
741
750
760
770
780
790
801
810
820
830
840
850
861
870
880
890
900
910
921
931
940
950
960
970
980
991

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