In mathematics the Tribonacci Series is a series in which each number is the sum of the three preceding ones.
The first ten terms of Tribonacci Series are: 0 1 1 2 4 7 13 24 44 81
Java
import java.util.*;
public class TribonacciSeries
{
public static void main(String args[])
{
int n=0,a=0,b=1,c=1,d=0;
Scanner sc=new Scanner(System.in);
System.out.print("Enter number of terms: ");
n=sc.nextInt();
System.out.println("Tribonacci Series:-");
for(int i=1;i<=n;i++)
{
System.out.println(a);
d=a+b+c;
a=b;
b=c;
c=d;
}
}
}Java