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A264048 as a simple table

na(n)
11
21
31
41
50
61
71
81
90
100
111
121
130
141
151
161
170
180
190
201
210
221
230
240
250
261
271
280
290
301
311
321
330
340
350
360
371
380
390
400
410
421
431
440
450
460
471
481
490
500
510
520
530
541
550
560
572
580
590
600
610
621
631
641
650
660
670
680
690
701
710
720
730
740
750
760
771
780
791
800
810
820
830
840
851
860
870
880
890
901
910
920
931
940
950
961
970
980
990
1000
1011

[1,1,1,1,0,1,1,1,0,0,1,1,0,1,1,1,0,0,0,1,0,1,0,0,
 0,1,1,0,0,1,1,1,0,0,0,0,1,0,0,0,0,1,1,0,0,0,1,1,0,
 0,0,0,0,1,0,0,2,0,0,0,0,1,1,1,0,0,0,0,0,1,0,0,0,0,
 0,0,1,0,1,0,0,0,0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,0,
 0,1]