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Problem 251: Cardano Triplets

curriculum/challenges/english/blocks/project-euler-problems-201-to-300/5900f4671000cf542c50ff7a.md

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--description--

A triplet of positive integers ($a$,$b$,$c$) is called a Cardano Triplet if it satisfies the condition:

$$\sqrt[3]{a + b \sqrt{c}} + \sqrt[3]{a - b \sqrt{c}} = 1$$

For example, (2,1,5) is a Cardano Triplet.

There exist 149 Cardano Triplets for which $a + b + c ≤ 1000$.

Find how many Cardano Triplets exist such that $a + b + c ≤ 110\,000\,000$.

--hints--

cardanoTriplets() should return 18946051.

js
assert.strictEqual(cardanoTriplets(), 18946051);

--seed--

--seed-contents--

js
function cardanoTriplets() {

  return true;
}

cardanoTriplets();

--solutions--

js
// solution required