OFFSET
2,1
EXAMPLE
a(20) = Max{gcd(i,j): prime(20) < i < prime(21) < j < prime(22)} =
Max{gcd(i,j): 71 < i < 73 < j < 79} =
Max{gcd(72,74), gcd(72,75), gcd(72,76), gcd(72,77), gcd(72,78)} =
Max{2, 3, 4, 1, 6} = 6.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 11 2006
STATUS
approved