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A270861 as a simple table

na(n)
13
21
38
47
52
61
715
87
913
103
111
121
1324
1423
1522
1621
174
183
192
201
2135
2217
2311
248
2531
265
272
281
291
301
3148
3247
3346
3445
3544
3643
376
385
394
403
412
421
4363
4431
4561
4615
4759
4829
4957
507
513
525
531
543
551
561
5780
5879
5926
6077
6176
6225
6374
6473
658
667
672
685
694
701
712
721

[3,1,8,7,2,1,15,7,13,3,1,1,24,23,22,21,4,3,2,1,35,
 17,11,8,31,5,2,1,1,1,48,47,46,45,44,43,6,5,4,3,2,
 1,63,31,61,15,59,29,57,7,3,5,1,3,1,1,80,79,26,77,
 76,25,74,73,8,7,2,5,4,1,2,1]