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 A260563 #16 Sep 08 2022 08:46:13 %S A260563 6,7,17,90,126,139,143,257,293,295,319,387,482,519,603,720,819,884, %T A260563 896,903,905,921,952,954,956,1042,1058,1147,1170,1237,1253,1279,1295, %U A260563 1343,1366,1370,1406,1465,1514,1593,1595,1607,1609,1622,1701,1705,1709,1736,1772 %N A260563 Numbers n such that (n^47+1)/(n+1) is prime. %H A260563 Tim Johannes Ohrtmann, <a href="/A260563/b260563.txt">Table of n, a(n) for n = 1..10000</a> %t A260563 Select[Range[1, 10000], PrimeQ[(#^47 + 1)/(# + 1)] &] %o A260563 (PARI) for(n=1,10000, if(isprime((n^47+1)/(n+1)), print1(n,", "))) %o A260563 (Magma) [n: n in [1..10000] |IsPrime((n^47 + 1) div (n + 1))] %Y A260563 Cf. A055494, A246392, A250174, A250178, A250181, A250185, A250187, A250193, A260558-A260573. %K A260563 nonn %O A260563 1,1 %A A260563 _Tim Johannes Ohrtmann_, Jul 29 2015