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A125667 as a simple table

na(n)
11
23
37
49
511
615
719
821
923
1027
1131
1233
1335
1439
1543
1645
1747
1849
1951
2055
2157
2259
2363
2467
2569
2671
2775
2877
2979
3081
3183
3287
3391
3493
3595
3699
37103
38105
39107
40111
41115
42117
43119
44121
45123
46127
47129
48131
49133
50135
51139
52141
53143
54147
55151
56153
57155
58159
59161
60163
61165

[1,3,7,9,11,15,19,21,23,27,31,33,35,39,43,45,47,
 49,51,55,57,59,63,67,69,71,75,77,79,81,83,87,91,
 93,95,99,103,105,107,111,115,117,119,121,123,127,
 129,131,133,135,139,141,143,147,151,153,155,159,
 161,163,165]