package main

import (
	"fmt"
	"math"
)

func LenComb2(n int) float64 {
	N := float64(n)
	return float64(N*(N-1)) / float64(2*1)
}

func LenComb3(n int) float64 {
	N := float64(n)
	return float64(N*(N-1)*(N-2)) / float64(3*2*1)
}

func resolve(N int, A []int) int {
	B := make([]int, 101)
	for i := 0; i < N; i++ {
		B[A[i]] += 1
	}

	ret := LenComb3(N)
	for _, m := range B {
		if m <= 1 {
			continue
		}
		if m == 2 {
			ret -= LenComb2(m) * float64(N-m)
			continue
		}
		ret -= LenComb2(m)*float64(N-m) + LenComb3(m)
	}
	return int(math.Mod(ret, float64(1000000007)))
}

func main() {
	var N int

	fmt.Scanf("%d\n", &N)
	A := make([]int, N)
	for i := 0; i < N; i++ {
		fmt.Scanf("%d", &A[i])
	}

	fmt.Println(resolve(N, A))
}