Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com> Co-authored-by: Beau Carnes <beaucarnes@gmail.com>
		
			
				
	
	
	
		
			812 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			812 B
		
	
	
	
	
	
	
	
id, challengeType, isHidden, title, forumTopicId
| id | challengeType | isHidden | title | forumTopicId | 
|---|---|---|---|---|
| 5900f46e1000cf542c50ff81 | 5 | false | Problem 258: A lagged Fibonacci sequence | 301906 | 
Description
gk = 1, for 0 ≤ k ≤ 1999 gk = gk-2000 + gk-1999, for k ≥ 2000. Find gk mod 20092010 for k = 1018.
Instructions
Tests
tests:
  - text: <code>euler258()</code> should return 12747994.
    testString: assert.strictEqual(euler258(), 12747994);
Challenge Seed
function euler258() {
  // Good luck!
  return true;
}
euler258();
Solution
// solution required