IMO 1979 LL YUG77
By h(n), where n is an integer greater than 1, let us denote the
IMO 1979 LL YUG77
Origin: YUG
Problem
By h(n), where n is an integer greater than 1, let us denote the greatest prime divisor of the number n. Are there infinitely many numbers n for which h(n) < h(n + 1) < h(n + 2) holds?