|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
For all 0 <= k < 13, k^4 + 2*k^3 + 36*k^2 + 35*k + 23 is a prime.
|
|
LINKS
|
|
|
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
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|