Is there a relationship between n! and !n? April 17, 2023 Yes. Oh, you want more. Right, then:and (even cooler [if that's possible!]!) Share Get link Facebook Twitter Pinterest Email Other Apps Share Get link Facebook Twitter Pinterest Email Other Apps
What is a "subfactorial"? Links! February 08, 2020 Wikipedia link Wolfram link (Other) subfactorial blog Online calculator Read more
Formulas July 22, 2020 General formula: ! n = ( n -1 )[ !( n -1) + !( n -2) ] !0 = 1 !1 = 0 Read more
