39 lines
622 B
Markdown
39 lines
622 B
Markdown
---
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id: 5900f4181000cf542c50ff2b
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title: 'Problem 172: Investigating numbers with few repeated digits'
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challengeType: 5
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forumTopicId: 301807
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dashedName: problem-172-investigating-numbers-with-few-repeated-digits
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---
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# --description--
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How many 18-digit numbers n (without leading zeros) are there such that no digit occurs more than three times in n?
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# --hints--
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`euler172()` should return 227485267000992000.
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```js
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assert.strictEqual(euler172(), 227485267000992000);
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```
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# --seed--
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## --seed-contents--
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```js
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function euler172() {
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return true;
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}
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euler172();
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```
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# --solutions--
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```js
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// solution required
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```
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