freeCodeCamp Challenge Guide: Sailors, coconuts and a monkey problem

Guide
1

Sailors, coconuts and a monkey problem

Solutions

Solution 1 (Click to Show/Hide) 
function splitCoconuts(n) {
  // https://oeis.org/A002021
  return n % 2 === 0 ?
    (n - 1) * (n**n - 1) :
    n**n - n + 1;
}