OFFSET
1,1
COMMENTS
n^4+1 can be prime for at most eight consecutive even numbers n, otherwise at least one member would be divisible by 17.
EXAMPLE
a(1)=10332305196 because 103323051964^4+1 is prime and (10332305196+m)^4+1 is prime for all even m up to 14.
CROSSREFS
KEYWORD
nonn
AUTHOR
Martin Raab, Feb 11 2008
STATUS
approved