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A218580 as a simple table

na(n)
11
21
31
41
52
62
71
84
95
105
111
128
1313
1415
1516
161
1716
1835
1947
2056
2162
221
2332
2497
25153
26204
27248
28279
291
3064
31275
32515
33770
341030
351257
361423
371
38128
39793
401785
413000
424424
435869
447140
458100
461
47256
482315
496347
5012026
5119582
5228293
5337058
5444843
5550887

[1,1,1,1,2,2,1,4,5,5,1,8,13,15,16,1,16,35,47,56,
 62,1,32,97,153,204,248,279,1,64,275,515,770,1030,
 1257,1423,1,128,793,1785,3000,4424,5869,7140,8100,
 1,256,2315,6347,12026,19582,28293,37058,44843,
 50887]