OFFSET
0,1
COMMENTS
The first 5 entries are primes. Are there infinitely many primes in this sequence?
FORMULA
EXAMPLE
F(2) = 2^(2^2)+1 = 17, M(2) = 2^2-1 = 3, F(2)+ M(2) - 1 = 19
PROG
(PARI) fm3(n) = for(x=0, n, y=2^(2^x)+2^x-1; print1(y", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Cino Hilliard, May 31 2006
EXTENSIONS
Edited by N. J. A. Sloane, Jun 03 2006
STATUS
approved