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!)
A200969 Number of nX3 0..6 arrays with every row and column running average nondecreasing rightwards and downwards 1

%I #5 Mar 31 2012 12:36:42

%S 106,3636,110854,3167295,86468392,2279060645,58497330607,

%T 1470248361721,36345145877004,886386298107620,21376162175779039,

%U 510658443459103773,12100575606121151494,284720818089996296210,6658048676892055486889

%N Number of nX3 0..6 arrays with every row and column running average nondecreasing rightwards and downwards

%C Column 3 of A200974

%H R. H. Hardin, <a href="/A200969/b200969.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=4

%e ..0..0..3....0..0..2....0..0..4....0..0..2....0..0..1....0..0..0....0..0..1

%e ..0..3..4....0..0..4....0..3..4....0..0..3....0..0..4....0..0..4....0..0..1

%e ..0..3..6....3..6..5....0..3..6....0..4..6....0..4..4....0..5..5....0..5..5

%e ..2..4..5....6..6..6....4..6..5....0..6..6....5..5..6....3..3..4....2..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 25 2011

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 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)