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A046159 as a simple table

na(n)
13
211
315
427
535
647
751
863
975
1083
1199
12107
13111
14123
15143
16147
17155
18171
19191
20195
21207
22227
23243
24251
25267
26291
27299
28303
29315

[3,11,15,27,35,47,51,63,75,83,99,107,111,123,143,
 147,155,171,191,195,207,227,243,251,267,291,299,
 303,315]