OFFSET
1,1
COMMENTS
All terms are even numbers.
LINKS
Paolo P. Lava, Table of n, a(n) for n = 1..100
EXAMPLE
Prime factors of 1232 are 2^4, 7, 11 and ((2/(2-1))^4*7/(7-1)*11/(11-1)) / (4*2/(2-1)+7/(7-1)+11/(11-1)) = 2.
MAPLE
with(numtheory); ListA226365:=proc(q) local a, d, n, p;
for n from 2 to q do if not isprime(n) then p:=ifactors(n)[2];
a:=mul((op(1, d)/(op(1, d)-1))^op(2, d), d=p)/add((op(1, d)/(op(1, d)-1))*op(2, d), d=p);
if type(a, integer) then print(n); fi; fi;
od; end: ListA226365(10^10);
CROSSREFS
KEYWORD
nonn
AUTHOR
Paolo P. Lava, Jul 03 2013
STATUS
approved