# -*- coding:utf-8 -*-
import collections
import math

if __name__ == "__main__":
	n = input()
	A = map(int,raw_input().split())
	num = len(set(A))
	cnt = collections.Counter(A)
	temp = 10 **9 + 7
	if num < 3:
		print 0
	else:
		ans = num * (num-1) * (num-2) / 6.0
		for element in cnt.most_common():
			ans *= element[1]
	print int(ans) % temp