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A187199 as a simple table

na(n)
11
21
32
42
53
64
73
85
92
103
113
124
136
143
156
164
172
185
194
206
214
223
235
247
254
265
277
285
294
306
316
325
335
346
356
364
378
385
395
409
4110
427
439
448
457
465
478
4811
495
506
516
527
538
547
556
566
577
587
597
609
614
624
638
648
6510
665
677
688
697
709
718
7212
736
7410
756
768
776
7810
797
809
819
828
837
848
857
869
878
887
898
908
919
929
9310
948
9510
969
978
9811
995
1006

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