Tribonacci Series

                                                 Tribonacci Series is like a Fibonacci Series, but some difference between these two.

                          The Fibonacci sequence is introduced by Leonardo  Pisano,an Italian Mathematician.The Fibonacci sequence is a set of numbers that starts with  a Zero or a one,followed by one and proceds based on the rule that each number  is equal to sum of the preceding two numbers.The Fibonacci sequence is denoted by F(n) ,where n is the first term in the sequence.For n=0,where the first two terms are obtained as 0 and 1.The series is

F(0)=0,1,1,2,3,5,8,.................

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                                  The Tribonacci Sequence is a set of numbers that start with a Zero or a one,followed by two one's and proceds based on the rule  that each number is equal to sum of the preceding three numbers.The Tribonacci Sequence is denoted by F(n),where n is the first term in the sequence.For n=1,where the first three terms are 0,1 and 1.

The series is

F(1)=1,1,1,3,5,9,17,31,......

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