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A272974 as a simple table

na(n)
11
21
31
41
50
61
71
81
91
101
111
120
130
140
151
161
170
180
190
200
211
221
230
240
250
260
270
281
291
300
313
320
330
343
350
361
371
380
390
400
410
420
430
440
451
461
470
482
490
500
510
520
532
540
551
561
570
580
590
600
610
620
630
640
650
661
671
680
692
700
714
720
730
744
750
762
770
781
791
800
810
820
830
840
850
860
870
880
890
900
911
921
930
942
950
962
970
980
990
1000
1012
1020
1032
1040
1051
1061
1070
1080

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