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A129613
a(n) is the smallest natural number m such that 2^(2^k) + m is prime for k=0,1,...,n.
12
1, 1, 1, 1, 1, 15, 66747, 475425, 12124167, 14899339905, 8073774344085
OFFSET
0,6
COMMENTS
The first five terms of this sequence correspond to known Fermat primes.
CROSSREFS
KEYWORD
nonn
AUTHOR
Farideh Firoozbakht, May 13 2007, May 16 2007
EXTENSIONS
a(10) from Jens Kruse Andersen, Jun 05 2010
STATUS
approved