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A143842 as a simple table

na(n)
01
11
20
31
41
50
61
71
81
90
101
111
121
131
140
151
161
171
181
191
200
211
221
231
241
252
261
270
281
291
301
311
322
333
341
350
361
371
381
391
402
413
427
431
440
451
461
471
481
492
503
517
5211
531
540
551
561
571
581
592
603
617
6211
6320
641
650
661
671
681
691
702
713
727
7311
7420
7529
761
770
781
791
801
811
822
833
847
8511
8620
8730
8845
891
900
911
921
931
941
952
963
977
9811
9920

[1,1,0,1,1,0,1,1,1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,1,
 1,2,1,0,1,1,1,1,2,3,1,0,1,1,1,1,2,3,7,1,0,1,1,1,1,
 2,3,7,11,1,0,1,1,1,1,2,3,7,11,20,1,0,1,1,1,1,2,3,
 7,11,20,29,1,0,1,1,1,1,2,3,7,11,20,30,45,1,0,1,1,
 1,1,2,3,7,11,20]