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 A126910 #9 Feb 11 2020 12:14:40
%S A126910 1,2,3,35,48,77,97,105,111,112,122,128,161,168,175,216,231,255,271,
%T A126910 276,297,338,361,370,378,422,485,513,525,558,622,658,661,662,667,675,
%U A126910 700,718,725,742,753,766,770,795,796,833,875,886,921,993,1027,1066,1078
%N A126910 Numbers k such that 1 + k^2 + k^4 + k^6 + k^8 + k^10 + k^11 is prime.
%H A126910 Daniel Starodubtsev, <a href="/A126910/b126910.txt">Table of n, a(n) for n = 1..10000</a>
%t A126910 a = {}; Do[If[PrimeQ[1 + n^2 + n^4 + n^6 + n^8 + n^10 + n^11], AppendTo[a, n]], {n, 1, 1400}]; a
%o A126910 (PARI) is(n)=isprime(1+n^2+n^4+n^6+n^8+n^10+n^11) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y A126910 Cf. A049407, A124175 A124176 A124177, A124178, A124179, A124180, A124181, A126908-A126916.
%K A126910 nonn,easy
%O A126910 1,2
%A A126910 _Artur Jasinski_, Dec 31 2006