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A262608 as a simple table

na(n)
119
241
3107
4151
5173
6239
7283
8349
9421
10443
11487
12509
13619
14641
15751
16773
17839
18883
19971
201087
211103
221109
231153
241307
251373
261439
271483
281549
291571
301637
311747
321907
331951
341973
352017
362039
372083
382237
392281
402347
412551
422617
432683
442749
452837
462903
472969

[19,41,107,151,173,239,283,349,421,443,487,509,
 619,641,751,773,839,883,971,1087,1103,1109,1153,
 1307,1373,1439,1483,1549,1571,1637,1747,1907,1951,
 1973,2017,2039,2083,2237,2281,2347,2551,2617,2683,
 2749,2837,2903,2969]