#116
Prime Sandwich
| Difficulty: | Medium |
| Topics: | math |
A balanced prime is a prime number which is
also the mean of the primes directly before
and after it in the sequence of valid primes.
Create a function which takes an integer n,
and returns true iff it is a balanced prime.
 | (= false (__ 4)) |
| (= true (__ 563)) |
| (= 1103 (nth (filter __ (range)) 15)) |