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A287730 as a simple table

na(n)
10
21
31
40
51
61
72
81
93
102
113
121
132
141
151
160
171
181
192
201
213
222
233
241
254
263
275
282
295
303
314
321
335
344
357
363
378
385
397
402
417
425
438
443
457
464
475
481
494
503
515
522
535
543
554
561
573
582
593
601
612
621
631
640
651
661
672
681
693
702
713
721
734
743
755
762
775
783
794
801
815
824
837
843
858
865
877
882
897
905
918
923
937
944
955
961
976
985
999
1004

[0,1,1,0,1,1,2,1,3,2,3,1,2,1,1,0,1,1,2,1,3,2,3,1,
 4,3,5,2,5,3,4,1,5,4,7,3,8,5,7,2,7,5,8,3,7,4,5,1,4,
 3,5,2,5,3,4,1,3,2,3,1,2,1,1,0,1,1,2,1,3,2,3,1,4,3,
 5,2,5,3,4,1,5,4,7,3,8,5,7,2,7,5,8,3,7,4,5,1,6,5,9,
 4]