C program to print following numbers series 7.5 9.5 15.5 27.5 47.5

Ex: Write a C program to print following numbers series 7.5 9.5 15.5 27.5 47.5...How to write a C program to print following numbers series 7.5 9.5 15.5 27.5 47.5.....C program to print following numbers series 7.5 9.5 15.5 27.5 47.5.

Input from user:

Enter a number: 5

Expected output:

7.5 9.5 15.5 27.5 47.5

Program:

#include<stdio.h>
void main()
{
int i,no;
float z=7.5;

printf("Enter a number:\n");
scanf("%d",&no);

//First print current value of z
printf("%f ",z);
for(i=1;i<no;i++)
{
z=(z)+i*(i+1);
printf("%f ",z);
}

}

Above Program show's the following output: