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 A125283 #23 Apr 19 2018 11:16:54
%S A125283 2,3,13,103,131
%N A125283 Primes p for which there exists no integer n with 1 < n^2 < p such that n^4 - n^2 + p is prime (i.e., primes that don't arise as q's in A126769).
%C A125283 Sequence suggested by _W. Edwin Clark_.
%C A125283 Is this sequence finite?
%C A125283 Primes not in A126769 are listed in A128292.
%C A125283 Next term >= 5*10^7. - _Klaus Brockhaus_, Mar 15 2007
%C A125283 Next term > 2*10^9. - _Jon E. Schoenfield_, Apr 06 2018
%t A125283 fQ[p_] := Block[{r = Rest@Range@Floor@Sqrt@p}, Union@ PrimeQ[r^4 - r^2 + p] == {False}]; lst = {2, 3}; Do[ If[ fQ@ Prime@n, AppendTo[lst, Prime@n]], {n, 3, 10^5}]; lst (* _Robert G. Wilson v_, Mar 01 2007 *)
%Y A125283 Cf. A126769.
%K A125283 nonn,more
%O A125283 1,1
%A A125283 _Tomas Xordan_, Feb 25 2007