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A020630 as a simple table

na(n)
15
27
311
413
517
619
723
829
931
1037
1141
1243
1353
1459
1561
1671
1773
1879
1997
20101
21107
22113
23127
24131
25163
26179
27199
28211
29223
30239
31257
32269
33307
34347
35359
36409
37541
38557
39601
40647
41719
42881
43971
441151
451187
461481
471619
481907
491997
502347
513203
524877
535021
545417

[5,7,11,13,17,19,23,29,31,37,41,43,53,59,61,71,73,
 79,97,101,107,113,127,131,163,179,199,211,223,239,
 257,269,307,347,359,409,541,557,601,647,719,881,
 971,1151,1187,1481,1619,1907,1997,2347,3203,4877,
 5021,5417]