from collections import Counter
N = int(input())
A = list(map(int,input().split()))

MOD = 10 ** 9 + 7
fact = [1]*(N+1)
rfact = [1]*(N+1)
r = 1
for i in range(1, N+1):
    fact[i] = r = r * i % MOD
rfact[N] = r = pow(fact[N], MOD-2, MOD)
for i in range(N, 0, -1):
    rfact[i-1] = r = r * i % MOD

def comb(n, k):
    return fact[n] * rfact[k] * rfact[n-k] % MOD

C = Counter(A)
NC = len(C)
if NC < 3:
    print(0)
    exit()

ans = comb(NC,3)
for v in C.values():
    ans *= v
    ans %= MOD
print(ans)