This week's book giveaway is in the Servlets forum. We're giving away four copies of Murach's Java Servlets and JSP and have Joel Murach on-line! See this thread for details.

This one is quite easy. Give the sequence of numbers such that any two adjacent numbers are coprime(relatively prime) and when bigger divided by smaller ,remainder is number adjacent to smaller one.(means smaller number is between 'bigger one' and remainder)