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A318881 as a simple table

na(n)
11
21
32
42
53
62
74
83
94
103
114
123
135
144
156
166
177
184
195
206
215
224
234
246
255
265
275
285
295
306
318
327
335
347
359
365
3710
385
399
407
419
425
438
445
459
464
474
487
498
505
5111
529
535
545
559
569
5710
585
594
607
6112
628
6310
6411
6513
665
678
6811
695
709
718
729
7314
7410
759
7610
7712
789
798
8011
819
829
834
849
8515
868
879
889
899
909
9114
925
9312
944
9514
9611
9716
988
9912
1009
10110
10211
1038
10413
10513

[1,1,2,2,3,2,4,3,4,3,4,3,5,4,6,6,7,4,5,6,5,4,4,6,
 5,5,5,5,5,6,8,7,5,7,9,5,10,5,9,7,9,5,8,5,9,4,4,7,
 8,5,11,9,5,5,9,9,10,5,4,7,12,8,10,11,13,5,8,11,5,
 9,8,9,14,10,9,10,12,9,8,11,9,9,4,9,15,8,9,9,9,9,
 14,5,12,4,14,11,16,8,12,9,10,11,8,13,13]