1,1

Karl Hovekamp, Table of n, a(n) for n=1..39328

a(1)=7 because the largest prime divisor of 6 is greater than the largest

prime divisor of 8.

Cf. A023503 greatest prime divisor of n-th prime - 1, A023509 greatest prime divisor of n-th prime + 1, A103666.

Sequence in context: A284052 A211433 A039511 * A033207 A095084 A182569

Adjacent sequences: A103664 A103665 A103666 * A103668 A103669 A103670

nonn

Hugo Pfoertner, Feb 19 2005

approved