759 B
759 B
id | title | challengeType | forumTopicId | dashedName |
---|---|---|---|---|
5900f4311000cf542c50ff44 | Problem 197: Investigating the behaviour of a recursively defined sequence | 5 | 301835 | problem-197-investigating-the-behaviour-of-a-recursively-defined-sequence |
--description--
Given is the function f(x) = ⌊230.403243784-x2⌋ × 10-9 ( ⌊ ⌋ is the floor-function),
the sequence un is defined by u0 = -1 and un+1 = f(un).
Find un + un+1 for n = 1012. Give your answer with 9 digits after the decimal point.
--hints--
euler197()
should return 1.710637717.
assert.strictEqual(euler197(), 1.710637717);
--seed--
--seed-contents--
function euler197() {
return true;
}
euler197();
--solutions--
// solution required