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 A125964 #19 Sep 08 2022 08:45:29 %S A125964 1,2,4,6,10,14,18,20,24,34,46,50,56,58,70,72,78,84,92,108,112,116,142, %T A125964 146,150,168,172,176,178,186,188,190,204,230,238,240,242,244,252,270, %U A125964 276,284,286,296,304,310,328,342,350,352,354,370,378,384,388,400,406 %N A125964 Numbers k such that k^3 + k^2 + k - 1 is prime. %H A125964 Robert Israel, <a href="/A125964/b125964.txt">Table of n, a(n) for n = 1..10000</a> %p A125964 filter:= k -> isprime(k^3+k^2+k-1): %p A125964 select(filter, [1,seq(i,i=2..10000,2)]); # _Robert Israel_, Oct 07 2019 %t A125964 Do[If[PrimeQ[ -1+n+n^2+n^3],Print[n]],{n,1,300}] %o A125964 (Magma) [n: n in [0..1000] | IsPrime(n^3+n^2+n-1)] // _Vincenzo Librandi_, Nov 23 2010 %o A125964 (PARI) is(n)=isprime(n^3+n^2+n-1) \\ _Charles R Greathouse IV_, Feb 17 2017 %Y A125964 Cf. A045546, A125965-A125973. %K A125964 nonn %O A125964 1,2 %A A125964 _Artur Jasinski_, Dec 13 2006 %E A125964 More terms from _Vincenzo Librandi_, Mar 26 2010