OFFSET
0,1
COMMENTS
a(4) = 1184388169...3238828317 has 13697 decimal digits. - Alois P. Heinz, Aug 30 2024
PROG
(PARI) a(n)=fibonacci(2^(2^n)+1)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jorge Coveiro, Dec 24 2004
STATUS
approved