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A090523 as a simple table

na(n)
10
20
32
47
57
619
729
817
9107
1029
11151
1267
13101
1431
1543
16163
1759
1831
1941
20173
2179
22167
2373
24233
25107
2673
2729
2843
291259
3089
31317
32191
33349
34541
35199
36173
37577
3889
39373
40997
41197
42773
431093
44257
451733
46487
47349
48149
491511
502621
51389
52181
53151

[0,0,2,7,7,19,29,17,107,29,151,67,101,31,43,163,
 59,31,41,173,79,167,73,233,107,73,29,43,1259,89,
 317,191,349,541,199,173,577,89,373,997,197,773,
 1093,257,1733,487,349,149,1511,2621,389,181,151]