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A286925 as a simple table

na(n)
10
20
30
40
50
61
70
80
90
100
110
121
130
140
150
160
170
180
190
201
210
220
230
240
250
261
270
280
290
300
310
320
330
341
350
360
370
380
390
401
410
420
430
440
450
461
470
480
490
500
510
520
530
541
550
560
570
580
590
601
610
620
630
640
650
660
670
681
690
700
710
720
730
741
750
760
770
780
790
801
810
820
830
840
850
860

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