def main():
    N = int(input())

    MOD = 10**9 + 7
    DP = [[[[0]*2 for ft in range(2)] for _ in range(i)] for i in range(N+1)]
    DP[1][0][False][False] = 1
    DP[2][0][False][False] = 2

    for i in range(2, N):
        for j in range(i):
            for k in [True, False]:
                for s in [True, False]:
                    DP[i][j][k][s] %= MOD
                    if DP[i][j][k][s] == 0:
                        continue

                    DP[i+1][j-1][False][k] += (j-k-s) * DP[i][j][k][s]
                    if k:
                        DP[i+1][j-1][False][False] += DP[i][j][k][s]
                    if s:
                        DP[i+1][j][True][k] += DP[i][j][k][s]
                    DP[i+1][j][False][k] += (i-1-j+s) * DP[i][j][k][s]
                    DP[i+1][j+1][True][k] += (2-s) * DP[i][j][k][s]

    print(DP[N][0][False][False] % MOD)


if __name__ == '__main__':
    main()