Видео с ютуба Zero Subfactorial

The Subfactorial is Hilarious

0!=1 and !0=?

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Factorials vs Subfactorials

!4 = Sub-factorial (DERANGEMENT) I Learn Left-factorial or Sub-factorial

subfactorial & derangement, an explicit approach

Subfactorial, a recursive approach

solve Sub-Factorial problem | Math Olympiad Question I You must know this

"So close 🤏🏼,yet so far ♾️" Explanation and code in description #maths #satisfying #adhd #ocd #art

Learn How to Solve SubFactorials (Left Factorials) | Quick & Simple Explanation

7 factorials you probably didn't know

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Unpopular Math: Subfactorials, Primorials & Double Factorials Explained

Subfactorial of 1/2 (via an integral)

What is sub-factoinal 🤔? | !a=? 🙀 | confusing concept ?

Как бы отреагировали?🤫

Subfactorial | How to evaluate? | Can you solve it?

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base factorial -- the most exciting number base

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