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A288520 as a simple table

na(n)
10
20
31
40
50
61
70
80
91
100
110
121
130
141
150
161
170
180
191
200
211
220
231
240
250
261
270
281
290
301
310
320
330
341
350
360
370
381
390
400
411
420
431
440
451
460
470
480
491
500
510
520
531
540
550
561
570
581
590
601
610
620
630
641
650
660
670
681
690
700
710
721
730
740
751
760
770
781
790
800
810
821
830
840
851
860

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