Pyromaniac

Felix is a pyromaniac. He has an obsessive desire to set fire to things, but he saw the recent Mr. Beast video and decided he needs to plant some trees .If Felix has burned j logs so far with calorific value c he must donate at least 2^j x c dollars to teamtrees.org . For example, if he burns 3 logs with calorific value counts in the following order [5,7,10 ] , the amount he will need to don