OFFSET
1,1
COMMENTS
EXAMPLE
Consider n = 45: 89, 97, 101 are consecutive primes, 2*45 = 97 - 7, but 2*44 = 101 - 13 cannot be written as b - a where a and b are primes <=97, hence a(45) = 101.
CROSSREFS
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, May 15 2005
STATUS
approved