#include <bits/stdc++.h>
using namespace std;

vector<string> dabiao = {"0", "1", "3", "9", "33", "153", "873", "5913", "46233", "409113", "4037913", "43954713", "522956313", "6749977113", "93928268313", "1401602636313", "22324392524313", "378011820620313", "6780385526348313", "128425485935180313", "2561327494111820313", "53652269665821260313", "1177652997443428940313", "27029669736328405580313", "647478071469567844940313", "16158688114800553828940313", "419450149241406189412940313", "11308319599659758350180940313", "316196664211373618851684940313", "9157958657951075573395300940313", "274410818470142134209703780940313", "8497249472648064951935266660940313", "271628086406341595119153278820940313", "8954945705218228090637347680100940313", "304187744744822368938255957323620940313", "10637335711130967298604907294846820940313", "382630662501032184766604355445682020940313", "14146383753727377231082583937026584420940313", "537169001220328488991089808037100875620940313", "20935051082417771847631371547939998232420940313", "836850334330315506193242641144055892504420940313", "34289376947494122614363304694584807557656420940313", "1439295494700374021157505910939096377494040420940313", "61854558558074209658512637979453093884758552420940313", "2720126133346522977702138448994068984204397080420940313", "122342346998826717539665299944651784048588130840420940313", "5624964506810915667389970728744906677010239883800420940313", "264248206017979096310354325882356886646207872272920420940313", "12678163798554051767172643373255731925167694226950680420940313", "620960027832821612639424806694551108812720525606160920420940313", "31035053229546199656252032972759319953190362094566672920420940313"};

int main() {
    int n;
    cin >> n;
	cout<<dabiao[n];

    return 0;
}

我溃了，用python直接打表：

def f(n):
    if n == 0 or n == 1:
        return 1
    return n * f(n - 1)

def main(n):

    sum = 0
    for i in range(1, n + 1):
        sum += f(i)

    return sum

print("{", end='')
for i in range(1, 51):
    print('"' + str(main(i)) + '", ', end='')
print('}')