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A341609 as a simple table

na(n)
10
20
30
41
50
61
70
80
91
101
110
120
130
141
151
160
170
180
190
200
211
220
230
240
250
260
270
280
290
300
310
320
330
340
351
360
370
380
391
400
410
420
430
440
450
460
470
480
491
500
510
520
530
540
550
560
571
580
590
600
610
620
630
640
650
660
670
680
691
700
710
720
730
740
750
760
770
780
790
800
810
820
830
840
850
860
870
880
890
900
911
920
930
940
950
960
970
980
990
1000
1010
1020
1030
1040
1050

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