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A014782 as a simple table

na(n)
11
21
31
43
55
63
717
831
925
1031
1117
12155
13293
14259
15349
16259
17293
18155
192073
203991
213681
225151
234289
245151
253681
263991
272073
2838227
2974381
3070235
31100325
3288507
33109765
3488507
35100325
3670235
3774381
3838227
39929569
401820911
411744457
422523191
432302121

[1,1,1,3,5,3,17,31,25,31,17,155,293,259,349,259,
 293,155,2073,3991,3681,5151,4289,5151,3681,3991,
 2073,38227,74381,70235,100325,88507,109765,88507,
 100325,70235,74381,38227,929569,1820911,1744457,
 2523191,2302121]