OFFSET
1,2
REFERENCES
Dubner, Harvey. "Generalized Fermat primes." J. Recreational Math., 18 (1985): 279-280.
LINKS
Ray Chandler, Table of n, a(n) for n = 1..10000 (first 1000 terms from T. D. Noe)
Yves Gallot, Generalized Fermat Prime Search.
MATHEMATICA
Do[ k = 1; While[ PowerMod[ n, 128, 2*k*128 + 1 ] != 2*k*128 && k < 10^3, k++ ]; If[ k == 10^3 && PrimeQ[ n^128 + 1 ], Print[ n ] ], {n, 2, 15000, 2} ]
PROG
(PARI) isA056994(n) = isprime(n^128+1) \\ Michael B. Porter, Mar 30 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Sep 06 2000
STATUS
approved