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A076820 as a simple table

na(n)
11
21
31
41
51
62
71
81
91
102
111
122
131
142
153
161
171
182
191
202
213
222
231
242
251
262
271
282
291
303
311
321
333
342
355
362
371
382
393
402
411
423
431
442
453
462
471
482
491
502
513
522
531
542
555
562
573
582
591
603
611
622
633
641
655
663
671
682
693
705
711
722
731
742
753
762
777
783
791
802
811
822
831
843
855
862
873
882
891
903
917
922
933
942
955
962
971
982
993
1002
1011
1023
1031
1042
1055

[1,1,1,1,1,2,1,1,1,2,1,2,1,2,3,1,1,2,1,2,3,2,1,2,
 1,2,1,2,1,3,1,1,3,2,5,2,1,2,3,2,1,3,1,2,3,2,1,2,1,
 2,3,2,1,2,5,2,3,2,1,3,1,2,3,1,5,3,1,2,3,5,1,2,1,2,
 3,2,7,3,1,2,1,2,1,3,5,2,3,2,1,3,7,2,3,2,5,2,1,2,3,
 2,1,3,1,2,5]