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A197225 as a simple table

na(n)
13
211
317
437
541
653
773
879
983
10101
11107
12137
13163
14173
15227
16239
17257
18271
19317
20347
21353
22359
23449
24467
25479
26563
27587
28641
29643
30719
31733
32751
33757
34773
35797
36839
37907
381031
391187
401231
411283
421307
431319
441409
451439
461493
471523
481627
491637
501879
511907

[3,11,17,37,41,53,73,79,83,101,107,137,163,173,
 227,239,257,271,317,347,353,359,449,467,479,563,
 587,641,643,719,733,751,757,773,797,839,907,1031,
 1187,1231,1283,1307,1319,1409,1439,1493,1523,1627,
 1637,1879,1907]