import itertools

n = int(input())
a = list(map(int, input().split()))
d = [0 for _ in range(max(a)+1)]
     
set_a = set(a)

mod = 10 ** 9 + 7

for i in set_a:
    d[i] = a.count(i)

ans = 0

for c in itertools.combinations(set_a, 3):
     ans += d[c[0]] * d[c[1]] * d[c[2]] % mod

print(ans)