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A109814 as a simple table

na(n)
11
21
32
41
52
63
72
81
93
104
112
123
132
144
155
161
172
184
192
205
216
224
232
243
255
264
276
287
292
305
312
321
336
344
357
368
372
384
396
405
412
427
432
448
459
464
472
483
497
505
516
528
532
549
5510
567
576
584
592
608
612
624
639
641
6510
6611
672
688
696
707
712
729
732
744
7510
768
7711
7812
792
805
819
824
832
848
8510
864
876
8811
892
9012
9113
928
936
944
9510
963
972
987
9911
1008
1012
10212

[1,1,2,1,2,3,2,1,3,4,2,3,2,4,5,1,2,4,2,5,6,4,2,3,
 5,4,6,7,2,5,2,1,6,4,7,8,2,4,6,5,2,7,2,8,9,4,2,3,7,
 5,6,8,2,9,10,7,6,4,2,8,2,4,9,1,10,11,2,8,6,7,2,9,
 2,4,10,8,11,12,2,5,9,4,2,8,10,4,6,11,2,12,13,8,6,
 4,10,3,2,7,11,8,2,12]