login

A284751 as a simple table

na(n)
10
21
30
40
50
61
70
81
90
101
110
121
130
140
150
161
170
181
190
200
210
221
230
241
250
260
270
281
290
301
310
320
330
341
350
361
370
381
390
401
410
420
430
441
450
461
470
480
490
501
510
521
530
541
550
561
570
580
590
601
610
621
630
640
650
661
670
681
690
701
710
721
730
740
750
761
770
781
790
800
810
821
830
841
850
861

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