Number Pattern Program in C - 17

/*
Write a program in C for Number Pattern Program
*/

#include<stdio.h>
int main()
{
  int i,j,k;
  for(i=1;i<=5;i++)
  {
    if(i%2==0)
    {
      k=2;
    }
    else
    {
      k=1;
    }
    for(j=1;j<=i;j++,k+=2)
    {
      printf("%d ", k);
    }
    printf("\n");
  }
  return 0;
}