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A271368 as a simple table

na(n)
10
20
31
40
51
60
70
81
90
100
111
120
130
141
150
161
171
180
191
201
210
221
230
240
251
260
270
281
290
300
312
320
331
341
350
362
370
380
391
400
411
421
430
441
451
461
471
481
491
501
511
521
531
540
551
561
571
581
592
601
611
622
631
642
650
661
673
680
691
702
710
723
731
741
753
761
772
782
791
801
812
820
833
842
850
863
872
882
892
902
912
923
931
942
953
960
972
983
991
1004

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