Brain Game: Here's My Card

Today's Brain Game involves one of the most popular betting card games in the world: blackjack. Under blackjack scoring rules, numbered cards equal their value, face cards are worth 10, and an ace can be scored as either 1 or 11. Given this information:
20 is the most common blackjack score when a player is dealt his two initial cards. What are the next TWO most common two-card blackjack scores?
Here is the ANSWER.
THE ANSWER:
As described above, 20 points is the most common two-card blackjack score; 146 different two-card combinations result in a score of 20.
Second on the list is 13; there are 118 different two-card combinations that total 13.
Third on the list is 14; some 102 different two-card combinations give a score of 14.
(For the record, a score of 21 can occur from 64 different two-card combinations.)