---
id: 5900f41a1000cf542c50ff2d
challengeType: 5
title: 'Problem 174: Counting the number of "hollow" square laminae that can form one, two, three, ... distinct arrangements'
videoUrl: ''
localeTitle: ''
---

## Description
undefined

## Instructions
undefined

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert.strictEqual(euler174(), 209566, "<code>euler174()</code> should return 209566.");'

```

</section>

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

<div id='js-seed'>

```js
function euler174() {
  // Good luck!
  return true;
}

euler174();

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>