|
%I #8 Jun 24 2018 11:58:04
%S 2,4,6,8,12,18,32,34,68,70,78,88,110,114,116,118,120,122,132,134,142,
%T 150,172,180,186,190,210,216,238,246,254,272,294,322,362,376,380,386,
%U 388,408,476,500,502,506,508,520,530,542,564,584,588,590,616,620,632
%N Numbers n such that 1 + n^2 + n^4 + n^5 is prime.
%H Harvey P. Dale, <a href="/A126907/b126907.txt">Table of n, a(n) for n = 1..1000</a>
%t a = {}; Do[If[PrimeQ[1 + n^2 + n^4 + n^5], AppendTo[a, n]], {n, 1, 1400}]; a
%t Select[Range[700],PrimeQ[1+#^2+#^4+#^5]&] (* _Harvey P. Dale_, Jun 24 2018 *)
%o (PARI) is(n)=isprime(1+n^2+n^4+n^5) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y Cf. A049407, A124175 A124176 A124177, A124178, A124179, A124180, A124181, A126908-A126916.
%K nonn,easy
%O 1,1
%A _Artur Jasinski_, Dec 31 2006
|
