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A064066 as a simple table

na(n)
01
11
22
33
43
54
64
75
84
94
105
116
125
135
146
157
167
175
185
196
207
217
228
236
246
257
268
278
289
299
305
315
326
337
347
358
368
379
385
395
406
417
427
438
448
459
468
476
486
497
508
518
529
539
5410
559
569
577
587
598
609
619
6210
6310
6411
6510
6610
6711
686
696
707
718
728
739
749
7510
769
779
7810
7911
806
816
827
838
848
859
869
8710
889
899
9010
9111
9210
937
947
958
969
979

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