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A309203 as a simple table

na(n)
13
25
37
411
513
617
719
823
927
1029
1131
1235
1337
1439
1541
1643
1745
1847
1953
2055
2159
2261
2363
2467
2571
2673
2777
2879
2983
3089
3195
3297
3399
34101
35103
36107
37109
38113
39115
40119
41125
42127
43131
44135
45137
46139
47141
48147
49149
50151
51155
52157
53163
54167
55171
56173
57179
58181
59191
60193
61197
62199
63207
64211
65215
66219

[3,5,7,11,13,17,19,23,27,29,31,35,37,39,41,43,45,
 47,53,55,59,61,63,67,71,73,77,79,83,89,95,97,99,
 101,103,107,109,113,115,119,125,127,131,135,137,
 139,141,147,149,151,155,157,163,167,171,173,179,
 181,191,193,197,199,207,211,215,219]