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A335880 as a simple table

na(n)
11
21
32
41
53
62
74
81
95
103
115
122
135
144
156
161
177
185
198
203
219
225
239
242
2510
265
278
284
2911
306
3112
321
338
347
358
365
3711
388
398
403
416
429
4313
445
4511
469
4714
482
4914
5010
5110
525
5311
548
5511
564
5715
5811
5915
606
619
6212
6313
641
6511
668
6715
687
6913
708
7113
725
7316
7411
7516
768
7713
788
7913
803
8115
826
838
849
8517
8613
8718
885
8916
9011
9113
929
9314
9414
9518
962
976
9814
9915
10010
10116
10210
1038
1045
10515

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