package chapter_5;

/**
 *
 * @author jason
 */
public class Five_One {


    public static void main(String[] args) {
        for (int k = 1; k < 11; k++) {
            for (int n = 1; n < 11; n++) {
                System.out.print(getPentagonalNumber(n)+ "t");
            }
            System.out.println();

        }        
 }

    public static int getPentagonalNumber(int n) {
        return  n * (3 * n - 1) / 2;

  }

}
	
public static void main(String[] args) {
        for (int k =0; k < 10; k++) { //range is [0,10) instead [1,11)
            for (int n = 1; n < 11; n++) {
                System.out.print(getPentagonalNumber((10*k)+n)+ "t"); //10*k + n instead of n
            }
            System.out.println();

        }        
}
	
System.out.print(getPentagonalNumber((k-1) * 10 + n) + "t");
	
for (int i = 0; i < 100; i++) {
        System.out.print(getPentagonalNumber(i + 1) + "t");
        if (i % 10 == 0) {
            System.out.println();
        }
    }
	
getPentagonalNumber(n)
	
getPentagonalNumber((k-1) * 10 + n)