The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A088549 Primes of the form x^5 + x^4 + x^3 + x^2 + x + 2. 2
 2, 7, 3907, 19609, 66431, 4288307, 54066637, 71270179, 351925757, 512604457, 1178420167, 24065769961, 30763687627, 48616590079, 130674467449, 229898795029, 329720803007, 363825386107, 886352920147, 2479006804507 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Table[Plus@@(x^Range[5])+2, {x, 0, 100}], PrimeQ] (* Harvey P. Dale, Jun 19 2021 *) PROG (PARI) polypn(n, p) = { for(x=1, n, if(p%2, y=2, y=1); for(m=1, p, y=y+x^m; ); if(isprime(y), print1(y", ")); ) } (Magma) [ a: n in [0..400] | IsPrime(a) where a is n^5 + n^4 + n^3 + n^2 + n + 2] CROSSREFS Sequence in context: A320505 A144836 A174308 * A226704 A224420 A106023 Adjacent sequences: A088546 A088547 A088548 * A088550 A088551 A088552 KEYWORD nonn AUTHOR Cino Hilliard, Nov 17 2003 STATUS approved

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.

Last modified May 21 15:47 EDT 2024. Contains 372738 sequences. (Running on oeis4.)