using System;
using System.Collections;
using System.Collections.Generic;
 
class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		Dictionary<int,int> D=new Dictionary<int,int>();
		for(int i=0;i<N;i++){
			if(!D.ContainsKey(A[i]))D.Add(A[i],0);
			D[A[i]]++;
		}
		if(D.Keys.Count<3){
			Console.WriteLine(0);
			return;
		}
		
		long ans=cal_nCrMod(D.Keys.Count,3);
		foreach(int k in D.Keys){
			ans*=D[k];
			ans%=mod;
		}
		
		Console.WriteLine(ans);
	}
	int N;
	int[] A;
	public Sol(){
		N=ri();
		A=ria();
		
		
		FM=new long[Max];
		FM[0]=1;
		for(int x=1;x<Max;x++)FM[x]=(FM[x-1]*x)%mod;
	}

	long cal_nCrMod(long n,long r){
		if(n<r)return 0;
		if(n<0)return 0;
		if(r<0)return 0;
		if(n==0||r==n||r==0)return 1;
		long a=FactorialMod(n);
		long b=InvMod(FactorialMod(r));
		long c=InvMod(FactorialMod(n-r));
		long ans=(((a*b)%mod)*c)%mod;
		return ans;
	}
	
	static long Max=(int)3e6;
	static long mod=(long)(1e9+7);
	
	long[] FM;
	long FactorialMod(long n){
		/*
		if(n<2)return 1;
		long ret=n*FactorialMod(n-1);
		ret%=mod;
		return ret;
		*/
		return FM[(int)n];
	}
	
	long InvMod(long n){
		if(n>mod)n%=mod;
		if(n==0)return 0;
		//(mod-2)乗を返す
		List<long> L=new List<long>();
		
		int idx=0;
		while(mod>(0x1<<idx))idx++;
		long[] Table=new long[idx];
		Table[0]=n;
		for(int i=1;i<idx;i++){
			Table[i]=Table[i-1]*Table[i-1];
			Table[i]%=mod;
		}
		
		
		long ret=1;
		for(int i=0;i<idx;i++){
			if(( (mod-2)&(0x1<<i)) >0){
				ret*=Table[i];
				ret%=mod;
			}
		}
		
		return ret;
		
		
	}




	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}