OFFSET
1,3
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..300
EXAMPLE
n=6: a(6) = gcd(Phi(720), Phi(46656), Phi(60)) = gcd(192, 16, 15552) = 16.
PROG
(PARI) { L=1; for (n=1, 300, L=lcm(L, n); write("b064449.txt", n, " ", gcd(eulerphi(n!), gcd(eulerphi(n^n), eulerphi(L)))) ) } \\ Harry J. Smith, Sep 14 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Oct 02 2001
STATUS
approved