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!)
A209473 Number of nX5 0..2 arrays with every element value z a city block distance of exactly z from another element value z 1

%I

%S 21,4357,872155,128482557,18325569581,2562183150939,361061356214305,

%T 51319914886788615,7305894279344843019,1039334276592539794039,

%U 147753108120172416661659,21001491074931334724912493

%N Number of nX5 0..2 arrays with every element value z a city block distance of exactly z from another element value z

%C Column 5 of A209476

%H R. H. Hardin, <a href="/A209473/b209473.txt">Table of n, a(n) for n = 1..146</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 09 2012

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 27 02:13 EDT 2022. Contains 354092 sequences. (Running on oeis4.)