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A281715 as a simple table

na(n)
11
21
32
41
53
64
72
87
94
108
113
1214
138
146
1516
165
1729
1838
1914
209
2132
228
2361
2490
2597
2617
2714
2864
2913
30126
31305
32294
33245
3422
3522
36128
3721
38265
39902
401410
41937
42631
4330
4435
45256
4634
47553
482710
495781
506417
513166
521625
5343
5456
55512
5655
571162
588376
5923798
6037781
6129849
6210738
634234

[1,1,2,1,3,4,2,7,4,8,3,14,8,6,16,5,29,38,14,9,32,
 8,61,90,97,17,14,64,13,126,305,294,245,22,22,128,
 21,265,902,1410,937,631,30,35,256,34,553,2710,
 5781,6417,3166,1625,43,56,512,55,1162,8376,23798,
 37781,29849,10738,4234]