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A287773 as a simple table

na(n)
10
21
30
41
50
61
70
81
90
100
111
120
131
140
151
160
171
180
191
200
211
220
231
240
250
261
270
281
290
301
310
321
330
340
351
360
371
380
391
400
411
420
431
440
451
460
471
480
490
501
510
521
530
541
550
561
570
581
590
601
610
621
630
640
651
660
671
680
691
700
711
720
730
741
750
761
770
781
790
801
810
821
830
841
850
861

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