#include<iostream>
#include<string>
using namespace std;
string str[100]={"1","5","16","45","121","320","841","2205","5776","15125","39601","103680","271441","710645","1860496","4870845","12752041","33385280","87403801","228826125","599074576","1568397605","4106118241","10749957120","28143753121","73681302245","192900153616","505019158605","1322157322201","3461452808000","9062201101801","23725150497405","62113250390416","162614600673845","425730551631121","1114577054219520","2918000611027441","7639424778862805","20000273725560976","52361396397820125","137083915467899401","358890350005878080","939587134549734841","2459871053643326445","6440026026380244496","16860207025497407045","44140595050111976641","115561578124838522880","302544139324403592001","792070839848372253125","2073668380220713167376","5428934300813767249005","14213134522220588579641","37210469265847998489920","97418273275323406890121","255044350560122222180445","667714778405043259651216","1748099984655007556773205","4576585175559979410668401","11981655542024930675232000","31368381450514812615027601","82123488809519507169850805","215002084978043708894524816","562882766124611619513723645","1473646213395791149646646121","3858055874062761829426214720","10100521408792494338631998041","26443508352314721186469779405","69230003648151669220777340176","181246502592140286475862241125","474509504128269190206809383201","1242282009792667284144565908480","3252336525249732662226888342241","8514727565956530702536099118245","22291846172619859445381409012496","58360810951903047633608127919245","152790586683089283455442974745241","400010949097364802732720796316480","1047242260609005124742719414204201","2741715832729650571495437446296125","7177905237579946589743592924684176","18791999880010189197735341327756405","49198094402450621003462431058585041","128802283327341673812651951847998720","337208755579574400434493424485411121","882823983411381527490828321608234645","2311263194654570182037991540339292816","6050965600552329018623146299409643805","15841633607002416873831447357889638601","41473935220454921602871195774259272000","108580172054362347934782139964888177401","284266580942632122201475224120405260205","744219570773534018669643532396327603216","1948392131377969933807455373068577549445","5100956823360375782752722586809405045121","13354478338703157414450712387359637585920","34962478192749096460599414575269507712641","91532956239544131967347531338448885552005","239636390525883299441443179440077148943376","627376215338105766356982006981782561278125"};
int main(){
    int n;
    cin>>n;
    cout<<str[n-1];
    return 0;
}

#include<iostream>
#include<cstdio>
using namespace std;
struct data{
       int a[101],len;
       };
int n;
data mul(data a,int k)
{
    for(int i=1;i<=a.len;i++)
            a.a[i]*=k;
    for(int i=1;i<=a.len;i++)
    {
            a.a[i+1]+=a.a[i]/10;
            a.a[i]%=10;
            }
    if(a.a[a.len+1]!=0)a.len++;
    return a;
} 
data sub(data a,data b)
{
    a.a[1]+=2;
    int j=1;
    while(a.a[j]>=10){a.a[j]%=10;a.a[j+1]++;j++;} 
    for(int i=1;i<=a.len;i++)
    {
           a.a[i]-=b.a[i];
           if(a.a[i]<0){a.a[i]+=10;a.a[i+1]--;}
    }
    while(a.a[a.len]==0)a.len--;
    return a;
}
int main()
{
    data f[101];f[1].a[1]=1;f[2].a[1]=5;
    f[1].len=f[2].len=1;
    scanf("%d",&n);
    for(int i=3;i<=n;i++)
            f[i]=sub(mul(f[i-1],3),f[i-2]);
    for(int i=f[n].len;i>0;i--)
       printf("%d",f[n].a[i]);
    return 0;
}

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
const int N = 110;
const int L = 1010;
int n;
struct NUM{
    int len, s[L];
    NUM operator = (int x){
        memset(s, 0, sizeof(s));
        len = 1;
        s[1] = x;
        return *this;
    }
    NUM operator + (NUM x){
        NUM y;
        memset(y.s, 0, sizeof(y.s));
        y.len = max(len, x.len);
        for (int i = 1; i <= y.len; i++){
            y.s[i] += s[i]+x.s[i];
            y.s[i+1] += y.s[i]/10;
            y.s[i] %= 10;
        }
        while (y.s[y.len+1] > 0){
            y.len++;
            y.s[y.len+1] += y.s[y.len]/10;
            y.s[y.len] %= 10;
        }
        return y;
    }
    void print(){
        for (int i = len; i >= 1; i--)
            putchar(s[i]+'0');
        putchar('\n');
    }
}f[N], g[N], delf[N], delg[N];



int main()
{
    scanf("%d", &n);
    f[1] = delf[1] = 1;
    g[1] = delg[1] = 0;
    for (int i = 2; i <= n; i++){
        delf[i] = delf[i-1]+f[i-1];
        f[i] = f[i-1]+delf[i];
        delg[i] = delg[i-1]+delf[i-1]+delf[i-1];
        g[i] = g[i-1]+delg[i];
    }
    (f[n]+g[n]).print();
    return 0;
}

n<=10,打表啊