freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-164-numbers-for-which-no-three-consecutive-digits-have-a-sum-greater-than-a-given-value.md

---
id: 5900f4111000cf542c50ff23
challengeType: 5
title: 'Problem 164: Numbers for which no three consecutive digits have a sum greater than a given value'
forumTopicId: 301798
---

## Description
<section id='description'>
How many 20 digit numbers n (without any leading zero) exist such that no three consecutive digits of n have a sum greater than 9?
</section>

## Instructions
<section id='instructions'>

</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>euler164()</code> should return 378158756814587.
    testString: assert.strictEqual(euler164(), 378158756814587);

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler164() {

  return true;
}

euler164();
```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```

</section>