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A171643 as a simple table

na(n)
13
25
37
419
553
659
797
8103
9149
10157
11163
12197
13227
14241
15331
16347
17379
18409
19443
20449
21457
22503
23509
24547
25607
26659
27691
28709
29751
30821
31911
32953
33971
34977
35997
361049
371109
381187
391193
401231
411237
421279
431409
441429
451439
461487
471499
481531
491583
501663
511721

[3,5,7,19,53,59,97,103,149,157,163,197,227,241,
 331,347,379,409,443,449,457,503,509,547,607,659,
 691,709,751,821,911,953,971,977,997,1049,1109,
 1187,1193,1231,1237,1279,1409,1429,1439,1487,1499,
 1531,1583,1663,1721]