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A129771 as a simple table

na(n)
13
25
39
415
517
623
727
829
933
1039
1143
1245
1351
1453
1557
1663
1765
1871
1975
2077
2183
2285
2389
2495
2599
26101
27105
28111
29113
30119
31123
32125
33129
34135
35139
36141
37147
38149
39153
40159
41163
42165
43169
44175
45177
46183
47187
48189
49195
50197
51201
52207
53209
54215
55219
56221
57225
58231
59235

[3,5,9,15,17,23,27,29,33,39,43,45,51,53,57,63,65,
 71,75,77,83,85,89,95,99,101,105,111,113,119,123,
 125,129,135,139,141,147,149,153,159,163,165,169,
 175,177,183,187,189,195,197,201,207,209,215,219,
 221,225,231,235]