
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1

Java Pyramid
public class Pattern {
public static void main(String[] args) {
int a[][]=new int[15][15];
int num = 25 ;
for(int i = 0; i < 5; i++){
for (int k = num - 2 * i; k >= 0; k--)
System.out.print(" ");
for (int j = 0; j <= i; j++) {
if (j == 0 || i == j) {
a[i][j] = 1;
}
else {
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
System.out.printf("%4d", a[i][j]);
}
System.out.println();
}
}
}