OFFSET
1,2
COMMENTS
Larger values not certified prime.
EXAMPLE
a(7)=31 because Fibonacci(31)=1346269; 10000000-1346269 = 8653731,
and 13462698653731 is prime.
CROSSREFS
KEYWORD
base,more,nonn
AUTHOR
Jason Earls, Jun 01 2003
STATUS
approved