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A090521 as a simple table

na(n)
21
32
47
57
619
722
817
974
1029
1176
1267
1349
1431
1543
1695
1759
1831
1941
20173
2179
2294
2373
24233
25107
2673
2729
2843
29201
3089
31274
32191
33349
34346
35199
36173
37249
3889
39373
40662
41197
42453
43166
44257
45865
46487
47254
48149
49852
50758
51389
52181
53151
54699
55634
56577
57542
58199
5961
60278
61482
62467

[1,2,7,7,19,22,17,74,29,76,67,49,31,43,95,59,31,
 41,173,79,94,73,233,107,73,29,43,201,89,274,191,
 349,346,199,173,249,89,373,662,197,453,166,257,
 865,487,254,149,852,758,389,181,151,699,634,577,
 542,199,61,278,482,467]