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A001480 as a simple table

na(n)
11
21
32
41
53
62
73
82
91
104
115
124
131
146
153
165
177
186
197
202
218
221
237
243
256
268
275
286
293
309
318
325
334
3410
3511
362
3711
386
394
4010
4112
429
4312
4411
451
469
4713
482
497
5013
514
5212
5313
5414
5511
567
579
5810
594
6015
6114
629
636
6415
655
6614
6716
681
693
707
7110
722
735
7414
7517
7613
779
7816
7917

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