C program to print following pattern :

1
3   5
7   9   11

#include<stdio.h>

#include<conio.h>

main()

{

int i,j,k=1,n;

clrscr();

printf("Enter number of rows\n");

scanf("%d",&n);

for(i=1;i<=n+1;i++)

{

for(j=1;j<i;j++)

{

printf("%d\t",k);

k=k+2;

}

printf("\n");

}

}