OFFSET
1,1
COMMENTS
A strong prime is a prime p(n) such that p(n) > (p(n-1) + p(n+1))/2.
EXAMPLE
a(2) = 37 because the two consecutive primes 37 and 41 are both strong and are the first such pair.
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Resta, Jan 16 2014
STATUS
approved