login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A126422 Primes of the form k^4-k-1. 11

%I #12 Mar 13 2020 13:01:33

%S 13,251,619,1289,2393,6551,14629,28547,65519,159979,279817,456949,

%T 2313401,2559959,3111653,3748051,6249949,7890427,9150569,10555943,

%U 12959939,13845779,21381307,25411609,35152963,38950001,45212093

%N Primes of the form k^4-k-1.

%H Amiram Eldar, <a href="/A126422/b126422.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A126423(A126424(n)). - _Amiram Eldar_, Mar 13 2020

%t a = {}; Do[If[PrimeQ[x^4 - x - 1], AppendTo[a, x^4 - x - 1]], {x, 1, 100}]; a

%t Select[Table[n^4-n-1,{n,100}],PrimeQ] (* _Harvey P. Dale_, Aug 27 2013 *)

%Y Cf. A002327, A002328, A116581, A126420, A126421, A126423, A126424.

%K nonn

%O 1,1

%A _Artur Jasinski_, Dec 26 2006

%E Definition corrected by _Charles R Greathouse IV_, Mar 11 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)