Sequence Numbers #3

The following order of numbers shouldn’t be very hard to guess and belongs pretty much the basic level of difficulty. According to our statistics, around 40% to 60% percent (depending on the country and age), should be able to answer it correctly. Btw do you like the sunflower background I chose for this puzzle?  The other day I saw this picture and just felt like I had to use it on one of our puzzles. So what’s your pick?

Instructions: Analyze the number sequence below and determine the missing number.

Your Task: Find the missing number in the sequence.