This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A177502 #22 Oct 24 2024 06:41:14
%S A177502 2,3,5,13,29,43,79,401,26953,150211,288467,422431
%N A177502 Prime numbers p such that (p-2)! + 1 is prime.
%H A177502 Titus Piezas III, <a href="http://citeseerx.ist.psu.edu/pdf/bfba8efe17d68bc35c1a28fb79efbfefc8287ffc">Solving Solvable Sextics Using Polynomial Decomposition</a>, 2004.
%e A177502 a(1)=2 because (2-2)! + 1 = 0! + 1 = 1 + 1 = 2.
%t A177502 aa = {}; Do[p = Prime[n]; If[PrimeQ[(p - 2)! + 1], AppendTo[aa, p]], {n, 1, 10000}]; aa
%Y A177502 Cf. A088054, A002981.
%K A177502 nonn,more
%O A177502 1,1
%A A177502 _Artur Jasinski_, May 10 2010
%E A177502 New term added by _Artur Jasinski_, May 19 2010
%E A177502 a(10)-a(12) from _Amiram Eldar_, Oct 24 2024