In this problem you will write a C++ function to calculate the nth number in a T

Question

In this problem you will write a C++ function to calculate the nth number in a Tribonacci sequence

The Tribonacci sequence is a generalization of the Fibonacci Sequence, wherein each number is the sum of the three preceding numbers, meaning that:
T(0) = 0, T(1) = 0, T(2) = 1, T(n) = T(n-1) + T(n-2) + T(n-3)
For example, in the following Tribonacci sequence:
0, 0, 1, 1, 2, 4, 7, 13, 24, 44, 81, 149, 274, 504, 927, 1705, 3136, 5768, 10609, 19513, 35890, 66012
81 is the 10th Tribonacci Number.

In this problem you will write a C++ function to print out a triangle

A triangle typically has sides some number of spaces apart and a base:

Submit only your function definitions (no main() function) below! You should write a main function which calls your function (ideally with a few cases) for testing and debugging your function, however. As an example, if the main() function were:

Explanation / Answer

Here is the code for the nth tribonnacci number...i have tested it too :) Please rate with 5 stars :) http://ideone.com/fYLZ4I

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