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A107918 as a simple table

na(n)
12
23
33
42
53
64
73
84
93
105
113
123
135
143
155
168
175
185
196
206
218
225
232
245
254
268
277
286
295
307
314
328
334
347
356
364
376
388
395
406
418
427
434
447
457
468
474
483
496
505
516
527
535
545
558
567
575
586
597
607
618
625
636
646
659
666
677
684
693
707
715
725
735
743
757
767
776
789
793
808
815
829
834
849
857
865
875
8810
895
909
916
929
936
948
959
967
975
988
996
1006
1017
1029
1035
1044

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