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 A051091 #16 Sep 08 2022 08:44:59 %S A051091 2,3,11,19,43,59,73,83,107,113,131,139,163,179,211,227,233,251,257, %T A051091 281,283,307,331,337,347,379,443,467,491,499,523,547,563,571,577,587, %U A051091 593,601,619,643,659,691,739,787,811,827,883,907,937,971,1019,1033,1049,1051,1091,1097,1153 %N A051091 Primes p such that x^44 = -2 has a solution mod p. %C A051091 Complement of A216753 relative to A000040. - _Vincenzo Librandi_, Sep 17 2012 %H A051091 Vincenzo Librandi, <a href="/A051091/b051091.txt">Table of n, a(n) for n = 1..1000</a> %t A051091 ok[p_]:= Reduce[Mod[x^44 + 2, p] == 0, x, Integers] =!= False;Select[Prime[Range[400]], ok] (* _Vincenzo Librandi_, Sep 16 2012 *) %o A051091 (PARI) /* see A051071 */ %o A051091 (Magma) [p: p in PrimesUpTo(1200) | exists(t){x : x in ResidueClassRing(p) | x^44 eq - 2}]; // _Vincenzo Librandi_, Sep 16 2012 %K A051091 nonn,easy %O A051091 1,1 %A A051091 _N. J. A. Sloane_ %E A051091 More terms from _Joerg Arndt_, Jul 27 2011