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A072645 as a simple table

na(n)
00
11
22
33
42
54
63
73
85
93
104
114
124
137
144
154
165
173
186
195
205
219
224
235
245
255
266
274
285
297
306
316
326
335
3410
355
364
375
384
395
406
416
426
434
445
456
465
478
487
497
507
516
528
536
547
5511
565
576
585
596
606
615
624
636
647
656
666
676
688
695
706
717
725
737
746
756
7610
778
787
797
807
817
827
838
848
857
867
878
886
8912
906
915
926
934
947
957
967
978
985
996
1005
1016

[0,1,2,3,2,4,3,3,5,3,4,4,4,7,4,4,5,3,6,5,5,9,4,5,
 5,5,6,4,5,7,6,6,6,5,10,5,4,5,4,5,6,6,6,4,5,6,5,8,
 7,7,7,6,8,6,7,11,5,6,5,6,6,5,4,6,7,6,6,6,8,5,6,7,
 5,7,6,6,10,8,7,7,7,7,7,8,8,7,7,8,6,12,6,5,6,4,7,7,
 7,8,5,6,5,6]