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A066672 as a simple table

na(n)
11
21
31
42
51
61
72
81
91
102
112
122
132
142
153
162
173
183
192
202
213
221
231
242
253
262
273
283
292
301
314
322
332
343
353
363
373
383
391
403
413
423
433
443
452
461
475
483
494
504
512
521
533
544
554
563
573
581
595
604
614
623
633
642
654
662
674
684
692
703
715
724
733
744
754
761
771
784
792
803
814
822
833
841
854
863
875
882
896
905
915
924
935
945
954
963
971
984
996
1005
1014
1021
1033
1044
1053

[1,1,1,2,1,1,2,1,1,2,2,2,2,2,3,2,3,3,2,2,3,1,1,2,
 3,2,3,3,2,1,4,2,2,3,3,3,3,3,1,3,3,3,3,3,2,1,5,3,4,
 4,2,1,3,4,4,3,3,1,5,4,4,3,3,2,4,2,4,4,2,3,5,4,3,4,
 4,1,1,4,2,3,4,2,3,1,4,3,5,2,6,5,5,4,5,5,4,3,1,4,6,
 5,4,1,3,4,3]