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!)
A220208 Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 5Xn array 1

%I #4 Dec 07 2012 07:10:10

%S 35,245,3916,44886,527350,6316576,70265746,722552145,7039442376,

%T 66318454223,607801474502,5404693452033,46525124902547,

%U 388164690519967,3148256654880231,24893160880333017,192249383100654432

%N Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 5Xn array

%C Row 5 of A220204

%H R. H. Hardin, <a href="/A220208/b220208.txt">Table of n, a(n) for n = 1..25</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 07 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 April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)