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!)
A233214 Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order 1

%I #4 Dec 06 2013 05:41:38

%S 99,147019,268289572,496475792293,919538740854193,1703198747507336644,

%T 3154729081272072714436,5843309615312787017886631,

%U 10823201236481602133281929223,20047146704348600802295758187282

%N Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order

%C Column 5 of A233217

%H R. H. Hardin, <a href="/A233214/b233214.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 1975*a(n-1) -228357*a(n-2) +1804281*a(n-3) -4170978*a(n-4) +2593080*a(n-5)

%e Some solutions for n=2

%e ..0..1..0..4..2....0..1..2..2..1....0..0..1..1..2....0..0..1..0..2

%e ..5..2..2..5..4....1..0..0..0..4....3..0..3..4..3....1..3..3..0..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 06 2013

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 April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)