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A237271 as a simple table

na(n)
11
21
32
41
52
61
72
81
93
102
112
121
132
142
153
161
172
181
192
201
214
222
232
241
253
262
274
281
292
301
312
321
334
342
353
361
372
382
394
401
412
421
432
442
453
462
472
481
493
503
514
522
532
541
554
561
574
582
592
601
612
622
635
641
654
661
672
682
694
703
712
721
732
742
754
762
773
782
792
801
815
822
832
841
854
862
874
881
892
901

[1,1,2,1,2,1,2,1,3,2,2,1,2,2,3,1,2,1,2,1,4,2,2,1,
 3,2,4,1,2,1,2,1,4,2,3,1,2,2,4,1,2,1,2,2,3,2,2,1,3,
 3,4,2,2,1,4,1,4,2,2,1,2,2,5,1,4,1,2,2,4,3,2,1,2,2,
 4,2,3,2,2,1,5,2,2,1,4,2,4,1,2,1]