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A139141 as a simple table

na(n)
01
12
22
33
43
54
63
74
84
94
105
114
124
135
144
155
165
177
185
195
207
215
225
235
246
255
265
275
287
296
305
315
326
335
346
357
366
376
385
396
405
4110
426
438
445
457
466
476
486
497
506
516
5211
535
547
556
566
579
587
597
605
616
627
636
649
656
667
677
686
697
708
715
727
737
747
755
767
778
787
797
806
8113
826
8311
846
858
866
877
886
899
906
917
928
936
947
955
968
977
987
997
1007
1016
1028

[1,2,2,3,3,4,3,4,4,4,5,4,4,5,4,5,5,7,5,5,7,5,5,5,
 6,5,5,5,7,6,5,5,6,5,6,7,6,6,5,6,5,10,6,8,5,7,6,6,
 6,7,6,6,11,5,7,6,6,9,7,7,5,6,7,6,9,6,7,7,6,7,8,5,
 7,7,7,5,7,8,7,7,6,13,6,11,6,8,6,7,6,9,6,7,8,6,7,5,
 8,7,7,7,7,6,8]