|
|
A141798
|
|
Numbers n such that 2*23^n + 1 is prime.
|
|
4
|
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
Primes found and proved by PrimeForm. No more terms up to 20000.
a(6) and a(7) proved prime by the primality proving program LLR. - Robert Price, Jan 06 2016
|
|
LINKS
|
|
|
MATHEMATICA
|
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
hard,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|