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 A109836 #8 Sep 25 2021 10:14:54 %S A109836 1,175,385,539,595,679,1211,1225,1379,1981,2219,2345,2681,2891,3101, %T A109836 3199,3395,3829,4039,4249,4291,4445,5201,5299,5411,5509,5635,5719, %U A109836 5761,5831,6181,6391,6685,7315,7469,7511,7931,8435,9695,9779,10451,10955 %N A109836 Numbers k such that k^6+6 is prime. %C A109836 All terms except the first are divisible by 7. %o A109836 (PARI) isok(n) = isprime(n^6+6); \\ _Michel Marcus_, Oct 06 2013 %K A109836 nonn %O A109836 1,2 %A A109836 _Zak Seidov_, Jul 04 2005