#include<bits/stdc++.h>
using namespace std;
#define int long long
#define PII pair<int,int>
#define fi first
#define se second
const int N=510;
int a[N],ans[N*N];PII b[N];
signed main()
{
	int n;cin>>n;
	for(int i=1;i<=n;i++)cin>>a[i],b[i].se=i,b[i].fi=a[i];
	sort(b+1,b+n+1);int l=1;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<b[i].se;j++)
		{
			while(ans[l])l++;
			if(l>=a[b[i].se])
			{
				cout<<"No";
				return 0;
			}
			ans[l]=b[i].se;
		}
		ans[b[i].fi]=b[i].se;
	}
	l=1;
	for(int i=1;i<=n;i++)
	{
		for(int j=b[i].se+1;j<=n;j++)
		{
			while(ans[l])l++;
			if(l<b[i].fi)
			{
				cout<<"No";
				return 0;
			}
			ans[l]=b[i].se;
		}
	}
	cout<<"Yes"<<'\n';
	for(int i=1;i<=n*n;i++)cout<<ans[i]<<' ';cout<<'\n';
	return 0;
}