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!)
A091756 Seventh column (m=8) of array A091752 ((-1,2)Stirling2). 1

%I #4 Oct 12 2012 14:40:20

%S 1,220,48720,14463680,5762556800,3000655257600,1987324218880000,

%T 1634736979972096000,1636859558116823040000,1961447726093804748800000,

%U 2772502956616965206835200000,4565871212782705024303104000000

%N Seventh column (m=8) of array A091752 ((-1,2)Stirling2).

%F a(n)= A091752(n, 8), n>=4.

%F a(n)= (9/6!)*(n-3)*(9*n^3-45*n^2+36*n+40)*(3*(n-3))!/((3^(n-3))*(n-3)!)= (9/6!)*(n-3)*(9*n^3-45*n^2+36*n+40)*A052502(n-3), n>=4.

%K nonn,easy

%O 4,2

%A _Wolfdieter Lang_, Feb 27 2004

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 May 8 23:08 EDT 2024. Contains 372341 sequences. (Running on oeis4.)