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 A236759 #10 Jul 15 2020 13:15:45 %S A236759 2,3,6,9,10,12,13,16,17,20,23,26,28,31,33,40,43,44,54,58,72,77,92,93, %T A236759 98,105,110,117,119,120,122,125,132,143,157,164,182,201,204,205,229, %U A236759 231,266,275,279,286,288,290,292,293,304,309,318 %N A236759 Numbers n such that n^4+n-1 is prime. %e A236759 98^4 + 98 - 1 = 92236913 is prime. Thus, 98 is a member of this sequence. %t A236759 Select[Range[400],PrimeQ[#^4+#-1]&] (* _Harvey P. Dale_, Jul 15 2020 *) %o A236759 (Python) %o A236759 import sympy %o A236759 from sympy import isprime %o A236759 {print(n) for n in range(10**3) if isprime(n**4+n-1)} %o A236759 (PARI) %o A236759 s=[]; for(n=1, 400, if(isprime(n^4+n-1), s=concat(s, n))); s \\ _Colin Barker_, Jan 31 2014 %Y A236759 Cf. A049408, A126424. %K A236759 nonn %O A236759 1,1 %A A236759 _Derek Orr_, Jan 30 2014