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A056530 as a simple table

na(n)
11
23
37
413
515
619
725
827
931
1037
1139
1243
1349
1451
1555
1661
1763
1867
1973
2075
2179
2285
2387
2491
2597
2699
27103
28109
29111
30115
31121
32123
33127
34133
35135
36139
37145
38147
39151
40157
41159
42163
43169
44171
45175
46181
47183
48187
49193
50195
51199
52205
53207
54211
55217
56219
57223
58229
59231

[1,3,7,13,15,19,25,27,31,37,39,43,49,51,55,61,63,
 67,73,75,79,85,87,91,97,99,103,109,111,115,121,
 123,127,133,135,139,145,147,151,157,159,163,169,
 171,175,181,183,187,193,195,199,205,207,211,217,
 219,223,229,231]