n = int(input())
A = sorted(list(map(int,input().split())))
M = (n+2)*100
ans = 0
dp = [[0]*M for i in range(n+1)]

dp[0][0] = 1
for a in A:
    ndp = [[0]*M for i in range(n+1)]

    for i in range(n+1):
        for j in range(M):
            if dp[i][j] == 0:
                continue
            ndp[i][j] += dp[i][j]
            ndp[i+1][j+a] += dp[i][j]
            if i > 0 and a*i <= j+a and (j+a)%i == 0:
                ans += dp[i][j]
    dp = ndp
print(ans)