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A127439 as a simple table

na(n)
12
22
31
42
51
62
72
81
92
102
112
121
132
142
154
162
171
182
192
204
212
222
231
242
252
264
272
284
292
301
312
322
334
342
354
362
372
381
392
402
414
422
434
442
454
462
471
482
492
504
512
524
532
544
556
562
571
582
592
604
612
624
632
644
656
662
672
681
692
702
714
722
734
742
754
766
772
786
792
801
812
822
834
842
854
862
874
886
892
906
914

[2,2,1,2,1,2,2,1,2,2,2,1,2,2,4,2,1,2,2,4,2,2,1,2,
 2,4,2,4,2,1,2,2,4,2,4,2,2,1,2,2,4,2,4,2,4,2,1,2,2,
 4,2,4,2,4,6,2,1,2,2,4,2,4,2,4,6,2,2,1,2,2,4,2,4,2,
 4,6,2,6,2,1,2,2,4,2,4,2,4,6,2,6,4]