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A070081 as a simple table

na(n)
11
22
32
43
52
63
74
83
93
104
113
125
134
143
154
165
174
184
196
205
214
225
234
246
255
264
275
287
296
305
316
324
335
345
357
366
375
386
395
408
417
426
437
445
456
465
476
488
497
506
517
525
536
546
559
568
577
588
596
607
615
626
637
646
659
668
677
688
696
707
716
727
7310
749
758
769
777
788
796
807
818
826
837
847
8510
869
878
889
897

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