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!)
A219824 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX4 array 1

%I #4 Nov 28 2012 17:40:31

%S 20,87,2106,29403,372346,4032736,40480756,386360710,3509148085,

%T 30177584694,245663212570,1900712282547,14049961503902,99670904365762,

%U 680920280827864,4492073696729197,28684119753996201,177665858054263184

%N Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX4 array

%C Column 4 of A219828

%H R. H. Hardin, <a href="/A219824/b219824.txt">Table of n, a(n) for n = 1..187</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 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 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)