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A243866 as a simple table

na(n)
11
21
31
42
51
62
72
82
92
102
113
122
134
142
153
163
173
184
194
203
213
224
233
246
254
266
273
284
294
304
316
326
336
346
354
364
375
384
398
406
419
426
438
444
455
465
475
488
498
509
519
528
538
545
555
566
575
5810
598
6012
619
6212
638
6410
655
666
676
686
6910
7010
7112
7212
7312
7412
7510
7610
776
786
797
806
8112
8210
8315

[1,1,1,2,1,2,2,2,2,2,3,2,4,2,3,3,3,4,4,3,3,4,3,6,
 4,6,3,4,4,4,6,6,6,6,4,4,5,4,8,6,9,6,8,4,5,5,5,8,8,
 9,9,8,8,5,5,6,5,10,8,12,9,12,8,10,5,6,6,6,10,10,
 12,12,12,12,10,10,6,6,7,6,12,10,15]