The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A200896 Number of nX2 0..5 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1

%I #5 Mar 31 2012 12:36:41

%S 15,30,13,649,3247,1483,84463,395138,147370,10892006,61376744,

%T 26060323,1860718688,9722469665,3689916515,298977508446,1746612244800,

%U 731620635705,56300135952299,307084986199367,118048036603381

%N Number of nX2 0..5 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

%C Column 2 of A200902

%H R. H. Hardin, <a href="/A200896/b200896.txt">Table of n, a(n) for n = 1..33</a>

%e Some solutions for n=3

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

%e ..2..3....1..4....1..4....2..5....1..5....2..4....2..5....1..3....3..5....1..5

%e ..4..5....3..5....2..5....3..4....3..4....1..5....1..4....4..5....2..4....2..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 23 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.

Last modified December 4 18:06 EST 2023. Contains 367563 sequences. (Running on oeis4.)