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A205778 as a simple table

na(n)
12
23
33
43
55
64
75
85
94
105
117
124
134
145
156
169
178
186
198
205
218
228
2313
248
258
266
277
285
2910
306
319
3211
337
348
3512
369
375
3811
399
405
415
428
437
449
456
4613
4715
489
4913
5012
518
529
537
549
559
5611
578
5814
596
609
617
6212
6315
6419
656
669
6711
688
6913
7012
7121
7213
7317
7412
758
7612
778
789
7912
8016
819
8217
837
848
8511
869

[2,3,3,3,5,4,5,5,4,5,7,4,4,5,6,9,8,6,8,5,8,8,13,8,
 8,6,7,5,10,6,9,11,7,8,12,9,5,11,9,5,5,8,7,9,6,13,
 15,9,13,12,8,9,7,9,9,11,8,14,6,9,7,12,15,19,6,9,
 11,8,13,12,21,13,17,12,8,12,8,9,12,16,9,17,7,8,11,
 9]