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!)
A219683 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX5 array 1

%I #4 Nov 25 2012 04:49:17

%S 15,22,208,1531,8964,44816,220182,1116208,5697556,28354294,135630422,

%T 623221049,2761665622,11842133497,49237357701,198775751684,

%U 780253085746,2982381614057,11117260746432,40470971856226,144060818799022

%N Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX5 array

%C Column 5 of A219686

%H R. H. Hardin, <a href="/A219683/b219683.txt">Table of n, a(n) for n = 1..150</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 25 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 August 12 15:11 EDT 2024. Contains 375113 sequences. (Running on oeis4.)