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A330987 as a simple table

na(n)
11
23
39
421
517
655
725
8105
933
10171
1141
12253
1349
14351
1557
16465
1765
18595
1973
20741
2181
22903
2389
241081
2597
261275
27105
281485
29113
301711
31121
321953
33129
342211
35137
362485
37145
382775
39153
403081
41161
423403
43169
443741
45177
464095
47185
484465
49193
504851
51201
525253
53209

[1,3,9,21,17,55,25,105,33,171,41,253,49,351,57,
 465,65,595,73,741,81,903,89,1081,97,1275,105,1485,
 113,1711,121,1953,129,2211,137,2485,145,2775,153,
 3081,161,3403,169,3741,177,4095,185,4465,193,4851,
 201,5253,209]