The following sequence has been made using a specific pattern and the last number is kept secret. We have to find that number along with the pattern followed to make the sequence.
3, 11, 32, 71, 136, x
What is x?? (I was given this problem by a friend and i have been thinking about it for quite a while now but can't think of any possible pattern. So I had to ask it here. Thanks for your attention.)