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A304331 as a simple table

na(n)
10
21
32
43
52
63
73
84
93
103
113
123
133
144
155
165
172
185
194
204
212
225
235
246
253
264
275
284
292
303
315
325
332
346
356
367
374
385
396
406
414
426
436
447
454
464
476
485
494
504
515
524
532
545
555
567
573
585
595
608
614
625
636
646
654
665
676
687
695
706
715
728
734
747
756
766
774
786
796
806
815
825
834
845
855
866
877
886
894
908

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