Видео с ютуба Zero Subfactorial

The Subfactorial is Hilarious

The Subfactorial is Hilarious
!4 = Sub-factorial (DERANGEMENT) I Learn Left-factorial or Sub-factorial

!4 = Sub-factorial (DERANGEMENT) I Learn Left-factorial or Sub-factorial
subfactorial & derangement, an explicit approach

subfactorial & derangement, an explicit approach
0!=1 and !0=?

0!=1 and !0=?
Calculating sub factorial 4

Calculating sub factorial 4
Factorials vs Subfactorials

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

What is sub-factoinal 🤔? | !a=? 🙀 | confusing concept ?
solve Sub-Factorial problem | Math Olympiad Question I You must know this

solve Sub-Factorial problem | Math Olympiad Question I You must know this
Subfactorial, a recursive approach

Subfactorial, a recursive approach
Learn How to Solve SubFactorials (Left Factorials) | Quick & Simple Explanation

Learn How to Solve SubFactorials (Left Factorials) | Quick & Simple Explanation
Unpopular Math: Subfactorials, Primorials & Double Factorials Explained

Unpopular Math: Subfactorials, Primorials & Double Factorials Explained
Easiest way to get subfactorials

Easiest way to get subfactorials
base factorial -- the most exciting number base

base factorial -- the most exciting number base
Subfactorial of 1/2 (via an integral)

Subfactorial of 1/2 (via an integral)
Subfactorial | How to evaluate? | Can you solve it?

Subfactorial | How to evaluate? | Can you solve it?
7 factorials you probably didn't know

7 factorials you probably didn't know
Subfactorial Factorial Numberblocks Band

Subfactorial Factorial Numberblocks Band