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A211161 as a simple table

na(n)
11
21
32
41
51
63
72
82
91
104
111
122
133
141
155
163
172
182
194
201
216
221
233
243
252
265
271
287
294
302
313
324
332
346
351
368
371
384
393
403
415
422
437
441
459
465
472
484
494
503
516
522
538
541
5510
561
575
583
594
605
613
627
632
649
651
6611
676
682
695
704
714
726
733
748
752
7610
771
7812
791
806
813
825
835
844
857
863

[1,1,2,1,1,3,2,2,1,4,1,2,3,1,5,3,2,2,4,1,6,1,3,3,
 2,5,1,7,4,2,3,4,2,6,1,8,1,4,3,3,5,2,7,1,9,5,2,4,4,
 3,6,2,8,1,10,1,5,3,4,5,3,7,2,9,1,11,6,2,5,4,4,6,3,
 8,2,10,1,12,1,6,3,5,5,4,7,3]