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A281856 as a simple table

na(n)
11
21
32
42
52
63
72
83
92
104
115
126
133
146
154
163
175
186
194
208
216
2210
236
249
254
269
278
2812
295
308
3111
326
336
3410
359
3615
376
388
396
4016
4114
4210
436
4418
4511
4615
4718
488
4915
5010
518
5212
5312
549
5510
5618
5712
589
5922
6014
6118
6224
638
6420

[1,1,2,2,2,3,2,3,2,4,5,6,3,6,4,3,5,6,4,8,6,10,6,9,
 4,9,8,12,5,8,11,6,6,10,9,15,6,8,6,16,14,10,6,18,
 11,15,18,8,15,10,8,12,12,9,10,18,12,9,22,14,18,24,
 8,20]