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A366509 as a simple table

na(n)
11
21
32
41
52
63
72
82
93
104
112
123
133
144
155
163
173
184
194
205
216
224
234
244
255
265
276
287
294
305
315
325
336
346
357
368
375
385
396
406
416
427
437
448
459
466
476
486
497
507
517
528
538
549
5510
567
577
587
597
608
618
628
639
649
6510
6611
677
688
698
708
718
729
739
749
7510
7610
7711
7812
798
808
819
829
839
849
8510

[1,1,2,1,2,3,2,2,3,4,2,3,3,4,5,3,3,4,4,5,6,4,4,4,
 5,5,6,7,4,5,5,5,6,6,7,8,5,5,6,6,6,7,7,8,9,6,6,6,7,
 7,7,8,8,9,10,7,7,7,7,8,8,8,9,9,10,11,7,8,8,8,8,9,
 9,9,10,10,11,12,8,8,9,9,9,9,10]