login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A169934 Number of permutations of 1..n with the number moved left exceeding the number moved right by 2. 2

%I #8 Apr 28 2024 17:27:25

%S 0,0,0,1,5,66,392,4859,34659,482272,4099634,65762489,653977909,

%T 12026621478,137361430156,2862534403223,36968414699239,

%U 862935261673212,12440701298168534,321935664074780549,5126628962937663529,145768013651370381026,2541561479354892816304

%N Number of permutations of 1..n with the number moved left exceeding the number moved right by 2.

%Y Column k=2 (or k=-2) of A062866.

%Y Equal number moved left and right, see A062868.

%K nonn

%O 1,5

%A _R. H. Hardin_, Jul 19 2010

%E a(19)-a(20) from _Alois P. Heinz_, Jul 31 2018

%E a(21)-a(23) from _Alois P. Heinz_, Apr 28 2024

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 15 03:33 EDT 2024. Contains 374324 sequences. (Running on oeis4.)