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A374133 as a simple table

na(n)
20
30
40
51
61
71
81
90
100
111
120
131
140
150
160
171
180
191
200
210
220
231
240
251
260
271
280
291
302
311
320
330
340
352
361
371
380
390
402
411
421
431
440
450
460
471
481
491
500
510
520
531
540
553
561
570
580
591
600
611
620
630
641
651
661
671
680
690
700
711
720
731
740
750
760
771
782
791
800
810
820
831
840
851
860
870
881
891
900
912
920
930
940
953
960
971
980
990
1000
1011
1022
1031
1042
1050
1060
1071
1080
1091

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