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A369426 as a simple table

na(n)
10
20
30
41
50
60
70
80
90
100
110
121
130
140
150
160
170
180
190
201
210
220
230
240
250
260
271
281
290
300
310
320
330
340
350
361
370
380
390
400
410
420
430
441
450
460
470
480
490
500
510
521
530
541
550
560
570
580
590
601
610
620
630
640
650
660
670
681
690
700
710
720
730
740
750
761
770
780
790
800
810
820
830
841
850
860
870

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