|
|
A338893
|
|
Primes of the form k^5-k+1.
|
|
2
|
|
|
31, 241, 1021, 3121, 99991, 248821, 371281, 537811, 1889551, 2476081, 4084081, 28629121, 52521841, 60466141, 79235131, 115856161, 205962931, 229344961, 254803921, 601692001, 844596241, 1934917561, 2373046801, 4984209121, 5904899911, 9039207871, 11592740641
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
It is not known if there is an infinitude of primes of this form.
|
|
LINKS
|
|
|
FORMULA
|
|
|
MAPLE
|
select(isprime, [seq(k^5-k+1, k=1..1000)]); # Robert Israel, Nov 18 2020
|
|
MATHEMATICA
|
Select[Table[k^5-k+1, {k, 200}], PrimeQ] (* Harvey P. Dale, Oct 31 2021 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|