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!)
A220576 Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX5 array 1

%I #4 Dec 16 2012 12:07:24

%S 16,371,8334,165130,3162375,59690533,1120269376,20961430054,

%T 391477041024,7301113014734,136014086356403,2531419892514045,

%U 47074407789101798,874763025888567980,16244954731049984109,301509938118179385606

%N Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX5 array

%C Column 5 of A220579

%H R. H. Hardin, <a href="/A220576/b220576.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 16 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 July 15 06:58 EDT 2024. Contains 374324 sequences. (Running on oeis4.)