import itertools

N = input()
A = map(int, raw_input().split())
MOD = 10**9+7

dic = dict()
for a in A:
    dic[a] = dic.get(a, 0) + 1

uniq = list(set(A))
combs = itertools.combinations(uniq, 3)
ans = 0

for comb in combs:
    n = dic[comb[0]] * dic[comb[1]] * dic[comb[2]]
    ans += n

print ans%MOD