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A219864 as a simple table

na(n)
10
20
31
41
52
63
70
82
94
102
112
124
131
142
156
163
171
182
192
205
213
221
231
247
252
266
273
281
296
308
312
322
335
343
353
368
372
384
396
403
414
424
431
443
457
462
473
487
493
506
518
522
531
5412
555
564
577
584
597
607
617
625
634
644
656
669
672
682
6913
702
715
727
732
744
7518
766
773
785
796
805
818
824
832
849
854
8610
875
882
895
9017
913
923
937
947
955
968
973
983
9917
1008

[0,0,1,1,2,3,0,2,4,2,2,4,1,2,6,3,1,2,2,5,3,1,1,7,
 2,6,3,1,6,8,2,2,5,3,3,8,2,4,6,3,4,4,1,3,7,2,3,7,3,
 6,8,2,1,12,5,4,7,4,7,7,7,5,4,4,6,9,2,2,13,2,5,7,2,
 4,18,6,3,5,6,5,8,4,2,9,4,10,5,2,5,17,3,3,7,7,5,8,
 3,3,17,8]