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A249337 as a simple table

na(n)
11
22
31
42
52
63
71
83
92
104
113
124
135
141
154
166
172
185
193
207
211
225
234
248
255
266
277
282
296
308
319
323
339
344
3510
365
3710
386
3911
401
416
4212
437
448
4513
461
477
489
4910
5011
512
527
5312
5413
552
568
5714
583
5911
604
6112
6214
635
6415
656
6616
6715
687
6916
7017
711
728
7317
742
759
7618
778
7818
799
8019
811
829
8320
8410
8521
863
8713
884
8914
9011
9112
9222
935
9419
952
9610
9723
981

[1,2,1,2,2,3,1,3,2,4,3,4,5,1,4,6,2,5,3,7,1,5,4,8,
 5,6,7,2,6,8,9,3,9,4,10,5,10,6,11,1,6,12,7,8,13,1,
 7,9,10,11,2,7,12,13,2,8,14,3,11,4,12,14,5,15,6,16,
 15,7,16,17,1,8,17,2,9,18,8,18,9,19,1,9,20,10,21,3,
 13,4,14,11,12,22,5,19,2,10,23,1]