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A107994 as a simple table

na(n)
13
25
39
415
521
623
729
835
941
1059
1163
1269
1375
1483
1589
1693
1799
18101
19105
20119
21125
22131
23135
24141
25143
26149
27159
28171
29173
30183
31191
32195
33209
34213
35225
36231
37243
38245
39255
40269
41273
42275
43279
44281
45293
46303
47315
48321
49329
50339
51345
52353
53359
54365
55369
56371

[3,5,9,15,21,23,29,35,41,59,63,69,75,83,89,93,99,
 101,105,119,125,131,135,141,143,149,159,171,173,
 183,191,195,209,213,225,231,243,245,255,269,273,
 275,279,281,293,303,315,321,329,339,345,353,359,
 365,369,371]