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A081804 as a simple table

na(n)
15
213
317
425
529
637
741
853
961
1065
1165
1273
1385
1485
1589
16101
1797
18113
19109
20125
21145
22145
23137
24149
25157
26181
27173
28169
29185
30197
31185
32193
33221
34205
35205
36229
37221
38257
39233
40265
41241
42269
43265
44277
45293
46313
47281
48325
49289
50317
51305
52305
53365
54325
55365
56337

[5,13,17,25,29,37,41,53,61,65,65,73,85,85,89,101,
 97,113,109,125,145,145,137,149,157,181,173,169,
 185,197,185,193,221,205,205,229,221,257,233,265,
 241,269,265,277,293,313,281,325,289,317,305,305,
 365,325,365,337]