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

int dp[1005][1005], nr[1005], ans[1005], st[1005][1005], sus[1005][1005];

int mymin(int a, int b) {
    if (a > b)
        return b;
    return 0; }

int main() {
    freopen("custi.in", "r", stdin);
    freopen("custi.out", "w", stdout);
    int n, c;
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            scanf("%d", &c);
            if (c) {
                st[i][j] = st[i][j - 1] + 1;
                sus[i][j] = sus[i - 1][j] + 1;
                dp[i][j] = mymin(mymin(st[i][j], sus[i][j]), dp[i - 1][j - 1] + 1); }
            nr[dp[i][j]]++; } }
    for (int i = n; i >= 1; i--) {
        ans[i] = ans[i + 1] + nr[i]; }
    for (int i = 1; i <= n; i++) {
        printf("%d\n", ans[i]); }
    return 0; }