login

A284683 as a simple table

na(n)
10
21
30
40
50
60
70
81
90
101
110
121
130
141
150
161
170
180
190
200
210
221
230
240
250
260
270
281
290
300
310
320
330
341
350
360
370
380
390
401
410
420
430
440
450
461
470
481
490
501
510
521
530
541
550
560
570
580
590
601
610
621
630
641
650
661
670
681
690
700
710
720
730
741
750
761
770
781
790
801
810
821
830
840
850
860

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