OFFSET
1,1
COMMENTS
These are just the known values. There is no proof that this sequence is correct (in the usual sense that there are no other terms below the last term shown). - N. J. A. Sloane, Nov 07 2006
Factorization: 2^(n-1)*M(n)*3*5^2*13*31*139*277*3877*239 where M(n) is Mersenne Prime, n=3 or 5<n.
LINKS
Eric Weisstein's World of Mathematics, Rational Amicable Pair.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved