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!)
A219720 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 7Xn array 0

%I #3 Nov 26 2012 05:39:08

%S 120,1822,207161,21036433,1658836014,118470103282,7921920681423

%N Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 7Xn array

%C Row 7 of A219714

%e Some solutions for n=3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 26 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 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)