|
|
A118222
|
|
Numbers n such that n! * p(n)# + 1 is prime.
|
|
1
|
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Seven terms found and primes proved by PrimeForm ([N-1, Brillhart-Lehmer-Selfridge]).
|
|
LINKS
|
|
|
EXAMPLE
|
3 is a term as 3! * p(3)# + 1 = 3*2*1 * 5*3*2 + 1 = 181, a prime.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|