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A280107 as a simple table

na(n)
121
227
333
439
551
655
757
865
969
1075
1185
1287
1393
1495
15105
16111
17115
18119
19123
20125
21129
22133
23141
24145
25155
26159
27161
28175
29177
30183
31185
32201
33203
34205
35213
36215
37217
38219
39230
40235
41237
42245
43249
44250
45253
46259
47265
48267
49287
50290
51291
52295
53301
54303
55305
56309
57310
58319
59321
60327
61329

[21,27,33,39,51,55,57,65,69,75,85,87,93,95,105,
 111,115,119,123,125,129,133,141,145,155,159,161,
 175,177,183,185,201,203,205,213,215,217,219,230,
 235,237,245,249,250,253,259,265,267,287,290,291,
 295,301,303,305,309,310,319,321,327,329]

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Last modified September 22 17:58 EDT 2024. Contains 376119 sequences. (Running on oeis4.)