998 B
998 B
id | challengeType | title |
---|---|---|
5900f53c1000cf542c51004e | 5 | Problem 463: A weird recurrence relation |
Description
The function S(n)
is defined as \sum_{i=1}^{n}f(i)
.
S(8)=22
and S(100)=3604
.
Find S(3^{37})
. Give the last 9 digits of your answer.
Instructions
Tests
tests:
- text: <code>euler463()</code> should return 808981553.
testString: assert.strictEqual(euler463(), 808981553, '<code>euler463()</code> should return 808981553.');
Challenge Seed
function euler463() {
// Good luck!
return true;
}
euler463();
Solution
// solution required