OFFSET
1,1
REFERENCES
Posting to NMBRTHRY(AT)LISTSERV.NODAK.EDU by Mike Oakes Dec 30 2000 entitled "Gaussian analogues of the Cullen and Woodall primes."
MATHEMATICA
Do[ If[ PrimeQ[ n^2*2^n + 1], Print[n] ], {n, 2, 50000, 2} ]
PROG
(PARI) is(n)=n%2==0 && ispseudoprime(n^2*2^n+1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jan 02 2001
STATUS
approved