%I
%S 7,11,23,29,31,47,53,59,71,79,83,89,103,107,127,131,139,149,167,173,
%T 179,191,199,223,227,233,239,263,269,293,307,311,317,347,349,359,367,
%U 373,383,389,419,431,439,449,461,467,479,499,503,509,557,563,569,571,587
%N Primes p such that the largest prime divisor of p1 is greater than the largest prime divisor of p+1.
%H Karl Hovekamp, <a href="/A103667/b103667.txt">Table of n, a(n) for n=1..39328</a>
%e a(1)=7 because the largest prime divisor of 6 is greater than the largest
%e prime divisor of 8.
%Y Cf. A023503 greatest prime divisor of nth prime  1, A023509 greatest prime divisor of nth prime + 1, A103666.
%K nonn
%O 1,1
%A _Hugo Pfoertner_, Feb 19 2005
