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 A125969 #11 Nov 08 2022 20:39:47
%S A125969 2,5,9,10,11,12,13,24,30,31,48,49,60,61,71,85,96,104,131,132,147,167,
%T A125969 175,185,191,198,204,218,226,242,269,305,323,340,385,386,406,437,471,
%U A125969 500,526,534,549,570,576,591,592,609,633,660,670,676,680,690,697,713,752
%N A125969 Numbers k for which k^12+k^11-1 is prime.
%H A125969 Amiram Eldar, <a href="/A125969/b125969.txt">Table of n, a(n) for n = 1..10000</a>
%t A125969 Do[If[PrimeQ[x^12 + x^11 - 1], Print[x]], {x, 1, 400}]
%t A125969 Select[Range[800],PrimeQ[#^12+#^11-1]&] (* _Harvey P. Dale_, Nov 08 2022 *)
%o A125969 (PARI) is(n)=isprime(n^12+n^11-1) \\ _Charles R Greathouse IV_, May 15 2013
%Y A125969 Cf. A000040, A045546, A125881-A125885, A125965-A125973.
%K A125969 nonn
%O A125969 1,1
%A A125969 _Artur Jasinski_, Dec 14 2006
%E A125969 More terms from _Amiram Eldar_, Mar 18 2020