cp's OEIS Frontend

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.

A236759 Numbers n such that n^4+n-1 is prime.

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%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