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A278118 as a simple table

na(n)
11
22
31
43
52
61
74
83
92
105
114
123
132
146
154
163
177
185
198
206
219
227
235
244
253
2610
278
286
295
3011
318
326
335
3412
359
3613
3710
3814
3911
408
4115
4212
439
4416
4513
4610
478
486
4917
5013
5110
5218
5314
5419
5515
5620
5716
5812
5910
6021
6117
6213
6322
6417
6513
6623
6718
6824
6919
7025
7120
7215
7326
7421
7516
7613
7727
7822
7917
8014
8111
8210

[1,2,1,3,2,1,4,3,2,5,4,3,2,6,4,3,7,5,8,6,9,7,5,4,
 3,10,8,6,5,11,8,6,5,12,9,13,10,14,11,8,15,12,9,16,
 13,10,8,6,17,13,10,18,14,19,15,20,16,12,10,21,17,
 13,22,17,13,23,18,24,19,25,20,15,26,21,16,13,27,
 22,17,14,11,10]