This week's giveaway is in the Android forum. We're giving away four copies of Android Security Essentials Live Lessons and have Godfrey Nolan 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)