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A068933 as a simple table

na(n)
10
21
30
41
50
60
71
81
90
100
111
120
130
140
150
161
171
181
190
200
210
221
230
241
250
260
270
280
291
301
312
321
330
340
350
360
371
380
393
400
410
420
430
440
450
461
471
484
492
501
510
520
530
540
550
561
570
585
590
601
610
620
630
640
650
660
671
681
698
709
713
721
730
740
750
760
770
780
791
800
819
820
838
840
850
860
870
880
890
900
910
921
931
9412
9531
9625
973
981
990
1000
1010
1020
1030

[0,1,0,1,0,0,1,1,0,0,1,0,0,0,0,1,1,1,0,0,0,1,0,1,
 0,0,0,0,1,1,2,1,0,0,0,0,1,0,3,0,0,0,0,0,0,1,1,4,2,
 1,0,0,0,0,0,1,0,5,0,1,0,0,0,0,0,0,1,1,8,9,3,1,0,0,
 0,0,0,0,1,0,9,0,8,0,0,0,0,0,0,0,0,1,1,12,31,25,3,
 1,0,0,0,0,0]