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A256103 as a simple table

na(n)
15
27
311
411
513
617
719
823
929
1031
1143
1237
1341
1443
1547
1653
1759
1861
1967
2071
2173
2279
2383
2489
2597
2611
27101
28103
29107
30109
31113
32127
33131
34137
35139
36149
37151
38157
39163
40167
41173
42179
43181
44191
45193
46197
47199
48211
49223

[5,7,11,11,13,17,19,23,29,31,43,37,41,43,47,53,59,
 61,67,71,73,79,83,89,97,11,101,103,107,109,113,
 127,131,137,139,149,151,157,163,167,173,179,181,
 191,193,197,199,211,223]