OFFSET
1,1
COMMENTS
If it exists, a(30) > 200000. - Hugo Pfoertner, Nov 07 2023
LINKS
Steven Harvey, Generalized HyperWoodall Primes
MATHEMATICA
Do[ If[ PrimeQ[ n^2*2^n - 1 ], Print[n] ], {n, 1, 5000} ]
PROG
(PARI) is(n)=ispseudoprime(n^2*2^n-1) \\ Charles R Greathouse IV, May 22 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jan 02 2001
EXTENSIONS
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 05 2008
STATUS
approved