A024710 Greatest prime divisor of A024702(n).

2, 5, 7, 3, 5, 11, 7, 5, 19, 7, 11, 23, 13, 29, 31, 17, 7, 37, 13, 41, 11, 7, 17, 17, 53, 11, 19, 7, 13, 23, 23, 37, 19, 79, 41, 83, 43, 89, 13, 19, 97, 11, 11, 53, 37, 113, 23, 29, 17, 11, 7, 43, 131, 67, 17, 139, 47, 71, 73, 17, 31, 157, 79, 83, 13, 173, 29, 59, 179, 61, 31, 19, 191, 97

Offset: 4

Author

Clark Kimberling

Keywords

• nonn

Links

• Charles R Greathouse IV, Table of n, a(n) for n = 4..10000

Programs

PARI

a(n)=my(f=factor(prime(n)^2\24)[,1]);f[#f] \\ Charles R Greathouse IV, May 30 2013