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 A260566 #15 Sep 08 2022 08:46:13 %S A260566 2,7,70,178,208,251,274,276,290,326,328,350,413,452,552,558,594,595, %T A260566 605,607,626,787,791,801,905,971,1019,1091,1117,1140,1198,1241,1274, %U A260566 1357,1428,1462,1604,1647,1654,1705,1717,1908,1987,2061,2109,2161,2309,2372,2450 %N A260566 Numbers n such that (n^61+1)/(n+1) is prime. %H A260566 Tim Johannes Ohrtmann, <a href="/A260566/b260566.txt">Table of n, a(n) for n = 1..10000</a> %t A260566 Select[Range[1, 10000], PrimeQ[(#^61 + 1)/(# + 1)] &] %o A260566 (PARI) for(n=1,10000, if(isprime((n^61+1)/(n+1)), print1(n,", "))) %o A260566 (Magma) [n: n in [1..10000] |IsPrime((n^61 + 1) div (n + 1))] %Y A260566 Cf. A055494, A246392, A250174, A250178, A250181, A250185, A250187, A250193, A260558-A260573. %K A260566 nonn %O A260566 1,1 %A A260566 _Tim Johannes Ohrtmann_, Jul 29 2015