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A002722 as a simple table

na(n)
11
21
31
42
52
62
74
86
96
108
1111
1213
1317
1424
1528
1636
1747
1856
1969
2094
21114
22138
23177
24218
25262
26333
27410
28496
29615
30755
31906
321120
331372
341648
352006
362455
372939
383557

[1,1,1,2,2,2,4,6,6,8,11,13,17,24,28,36,47,56,69,
 94,114,138,177,218,262,333,410,496,615,755,906,
 1120,1372,1648,2006,2455,2939,3557]