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!)
A199146 Number of nX5 0..3 arrays with values 0..3 introduced in row major order and each element equal to one or two horizontal and vertical neighbors 1

%I #5 Mar 31 2012 12:36:35

%S 3,393,42420,6235011,839006010,117380324984,16158623337745,

%T 2239304268913257,309471298054332806,42818034223579225138,

%U 5921413251810033475103,819050117505774849777870

%N Number of nX5 0..3 arrays with values 0..3 introduced in row major order and each element equal to one or two horizontal and vertical neighbors

%C Column 5 of A199149

%H R. H. Hardin, <a href="/A199146/b199146.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=3

%e ..0..0..0..0..1....0..0..1..1..1....0..0..1..1..1....0..0..1..0..0

%e ..2..1..2..2..1....2..0..3..3..1....2..1..1..2..3....2..2..1..1..1

%e ..2..1..2..1..1....2..3..3..2..2....2..0..0..2..3....0..0..2..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 03 2011

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 19 03:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)