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 A274610 #9 Jul 17 2016 10:39:48 %S A274610 1,22,118,358,1678,3478,5038,6238,10198,17158,19318,22798,32758,36478, %T A274610 52438,58078,72358,109558,143638,177238,212518,229438,248998,259078, %U A274610 326038,410878,434278,502678,737878,863038,982078,1062958,1100398,1274638,1442398,1515358,1559998,1635838,1907158,2042038 %N A274610 Values of c such that p^2-c and p^2+c are both positive primes, for the special case when p^2-c = 3, or c = p^2-3, where p is a prime. %C A274610 All values of a(n), except {1, 22}, equal 118 mod 120. %C A274610 Corresponding values of p = sqrt(c+3)begin {2,5,11,19,41,59,71,79,101...}. %C A274610 This relates to a comment at A047222 regarding c values for the general case of p^2-c and p^2+c both being positive primes. %t A274610 result = {}; Do[c = Prime[i]^2 - 3; If[PrimeQ[Prime[i]^2 + c], AppendTo[result, {Prime[i], c}]], {i, 1, 1000}]; result %o A274610 (PARI) lista(nn) = forprime(p=2, nn, if (isprime(2*p^2-3), print1(p^2-3, ", "))); \\ _Michel Marcus_, Jul 05 2016 %K A274610 nonn %O A274610 1,2 %A A274610 _Richard R. Forberg_, Jun 30 2016