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A309938 as a simple table

na(n)
11
21
30
41
52
60
71
80
91
100
111
122
131
140
150
161
170
182
192
200
210
221
232
241
250
261
270
280
291
300
311
324
331
340
350
360
371
382
392
400
413
422
430
440
450
461
470
481
494
502
510
521
530
540
550
561
572
581
590
603
616
621
630
640
650
660
671
680
692
704
713
720
734
742
750
760
770
780
791
802
811
820
833
848
853
860
871
880
890
900
910

[1,1,0,1,2,0,1,0,1,0,1,2,1,0,0,1,0,2,2,0,0,1,2,1,
 0,1,0,0,1,0,1,4,1,0,0,0,1,2,2,0,3,2,0,0,0,1,0,1,4,
 2,0,1,0,0,0,1,2,1,0,3,6,1,0,0,0,0,1,0,2,4,3,0,4,2,
 0,0,0,0,1,2,1,0,3,8,3,0,1,0,0,0,0]