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freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-148-exploring-pascals-triangle.md

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---
id: 5900f4021000cf542c50ff14
title: 问题148探索帕斯卡的三角形
challengeType: 5
videoUrl: ''
---
# --description--
我们可以很容易地验证Pascal三角形的前七行中的所有条目都不能被7整除
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1然而如果我们检查前100行我们会发现5050个条目中只有2361个不能被7整除。
找到Pascal三角形的前十亿109行中不能被7整除的条目数。
# --hints--
`euler148()`应该返回2129970655314432。
```js
assert.strictEqual(euler148(), 2129970655314432);
```
# --solutions--