OFFSET
1,2
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
MAPLE
N:= 10^5: # for terms <= N
V:= Vector(N):
for v from 1 while 2*v^3 <= N do
for u from v do
x:= u*v*(u+v);
if x > N then break fi;
V[x]:= V[x]+1
od od:
[0, op(select(t -> V[t] >= 2, [$1..N]))]; # Robert Israel, Dec 15 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Max Alekseyev, Apr 04 2024
STATUS
approved