3. Write a program that prompts the user for a number and computes the nth term of the following sequence of numbers referred to as the sequence of pentagonal numbers: n Σ31-2 =1 A sample dialog for this program looks as follows: Enter a number: 5 Sum = 35 Do you want to try again? (y/n) :

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter8: Arrays And Strings
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C++ Program

3. Write a program that prompts the user for a number and computes the nth term
of the following sequence of numbers referred to as the sequence of pentagonal
numbers:
n
2 3i - 2
i=1
A sample dialog for this program looks as follows:
Enter a number: 5
Sum = 35
Do you want to try again? (y/n) :
Transcribed Image Text:3. Write a program that prompts the user for a number and computes the nth term of the following sequence of numbers referred to as the sequence of pentagonal numbers: n 2 3i - 2 i=1 A sample dialog for this program looks as follows: Enter a number: 5 Sum = 35 Do you want to try again? (y/n) :
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