Do you guys want to play a little game with me?
Don't worry! It doesn't involve cutting off limbs. This isn't Saw! 
It's easy! Just solve the problem I give you, and in return, I'll subscribe to your comic/ novel. Feel free to post the link, regardless if you got it right.
Alright, solve this sequence of numbers.
12.0, 14.0 16.0, ____, 20.1
If you need a hint, I'll be glad to give it to you 