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A085074 as a simple table

na(n)
23
37
49
511
655
729
84913
9289
1021
1123
12325
1353
1415
1546
1681
17103
18325
19191
20261
2122
22111
2347
243625
2510201
26183
276859
28477
2959
301771
31311
328587340257
3334
3435
35106
361225
37149
3839
39118
401161
4183
42715
43173
4445
45316
4693
47283
4860625
499409
50801
51205
52261
53107
5411125

[3,7,9,11,55,29,4913,289,21,23,325,53,15,46,81,
 103,325,191,261,22,111,47,3625,10201,183,6859,477,
 59,1771,311,8587340257,34,35,106,1225,149,39,118,
 1161,83,715,173,45,316,93,283,60625,9409,801,205,
 261,107,11125]