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 A260564 #15 Sep 08 2022 08:46:13 %S A260564 10,14,40,57,111,119,406,447,475,620,646,839,848,866,909,997,1086, %T A260564 1095,1180,1318,1319,1332,1418,1447,1472,1534,1617,1681,1684,1735, %U A260564 1788,1955,2037,2118,2120,2163,2169,2170,2390,2407,2440,2498,2700,2709,2716,2761,2999 %N A260564 Numbers n such that (n^53+1)/(n+1) is prime. %H A260564 Tim Johannes Ohrtmann, <a href="/A260564/b260564.txt">Table of n, a(n) for n = 1..10000</a> %t A260564 Select[Range[1, 10000], PrimeQ[(#^53 + 1)/(# + 1)] &] %o A260564 (PARI) for(n=1,10000, if(isprime((n^53+1)/(n+1)), print1(n,", "))) %o A260564 (Magma) [n: n in [1..10000] |IsPrime((n^53 + 1) div (n + 1))] %Y A260564 Cf. A055494, A246392, A250174, A250178, A250181, A250185, A250187, A250193, A260558-A260573. %K A260564 nonn %O A260564 1,1 %A A260564 _Tim Johannes Ohrtmann_, Jul 29 2015