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A076524 as a simple table

na(n)
13
23
35
47
57
619
723
831
937
1041
1143
1243
1347
1447
1561
1667
1771
1889
19109
20109
21113
22127
23131
24131
25137
26139
27149
28151
29163
30163
31167
32167
33173
34181
35197

[3,3,5,7,7,19,23,31,37,41,43,43,47,47,61,67,71,89,
 109,109,113,127,131,131,137,139,149,151,163,163,
 167,167,173,181,197]