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A227872 as a simple table

na(n)
11
22
31
43
51
62
72
84
91
102
112
123
132
144
151
165
171
182
192
203
213
224
231
244
252
264
271
286
291
302
312
326
332
342
353
363
372
384
392
404
412
426
431
446
451
462
472
485
493
504
511
526
531
542
553
568
572
582
592
603
612
624
633
647
652
664
672
683
692
706
711
724
732
744
752
766
773
784
792
805
812
824
831
849
851
862
872

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