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A304038 as a simple table

na(n)
10
21
32
41
53
61
72
84
91
102
111
123
135
141
152
166
171
184
192
203
211
227
231
242
258
261
273
282
294
301
315
329
331
342
353
361
376
382
391
404
4110
421
432
443
4511
461
472
485
491
507
513
524
531
542
5512
561
578
582
596
601
613
6213
631
642
654
6614
671
685
692
703
711
729
7315
741
752
764
771
783
792
807
811
826
8316
841
852
863
875
881
894
902
918
921
9310
9417
951
962
973
9818
991
10011

[0,1,2,1,3,1,2,4,1,2,1,3,5,1,2,6,1,4,2,3,1,7,1,2,
 8,1,3,2,4,1,5,9,1,2,3,1,6,2,1,4,10,1,2,3,11,1,2,5,
 1,7,3,4,1,2,12,1,8,2,6,1,3,13,1,2,4,14,1,5,2,3,1,
 9,15,1,2,4,1,3,2,7,1,6,16,1,2,3,5,1,4,2,8,1,10,17,
 1,2,3,18,1,11]