

A155815


Primes of the form k^4 + 2*k^3 + 36*k^2 + 35*k + 23.


1



23, 97, 269, 587, 1123, 1973, 3257, 5119, 7727, 11273, 15973, 22067, 29819, 51473, 104369, 191123, 229637, 687787, 897473, 1018807, 1152119, 1631723, 2026069, 2488223, 2747023, 3025577, 3989723, 5614247, 7125947, 7692019, 8291237
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OFFSET

1,1


COMMENTS

For all 0 <= k < 13, k^4 + 2*k^3 + 36*k^2 + 35*k + 23 is a prime.


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000


MATHEMATICA

Select[Table[n^4 + 2 n^3 + 36 n^2 + 35 n + 23, {n, 0, 100}], PrimeQ] (* Vincenzo Librandi, Jun 24 2013 *)


PROG

(Magma) [a: n in [0..100]  IsPrime(a) where a is n^4+2*n^3+36*n^2+35*n+23]; // Vincenzo Librandi, Jun 24 2013


CROSSREFS

Sequence in context: A183011 A158544 A154376 * A231453 A142132 A140375
Adjacent sequences: A155812 A155813 A155814 * A155816 A155817 A155818


KEYWORD

nonn,easy


AUTHOR

Vincenzo Librandi, Jan 28 2009


STATUS

approved



