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A246157 as a simple table

na(n)
121
235
349
469
579
681
793
8107
9121
10127
11133
12151
13155
14161
15173
16179
17181
18199
19205
20217
21223
22227
23233
24251
25259
26261
27265
28271
29273
30279
31289
32295
33307
34309
35321
36327
37331
38339
39341
40345
41367
42381
43385
44403
45405
46409
47421
48431
49439
50443
51453
52457
53465
54475
55481
56491
57493
58511

[21,35,49,69,79,81,93,107,121,127,133,151,155,161,
 173,179,181,199,205,217,223,227,233,251,259,261,
 265,271,273,279,289,295,307,309,321,327,331,339,
 341,345,367,381,385,403,405,409,421,431,439,443,
 453,457,465,475,481,491,493,511]