login
This site is supported by donations to The OEIS Foundation.

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A183796 1/4 the number of (n+1)X4 0..3 arrays with no 2X2 subblock having sum 6 1

%I

%S 9395,1405874,209636605,31282399226,4667280876143,696376467061670,

%T 103901117941072621,15502344363749910194,2312992748053122211945,

%U 345104985809234054192226,51490626620654908643585387

%N 1/4 the number of (n+1)X4 0..3 arrays with no 2X2 subblock having sum 6

%C Column 3 of A183802

%H R. H. Hardin, <a href="/A183796/b183796.txt">Table of n, a(n) for n = 1..138</a>

%e Some solutions for 3X4

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 07 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified July 28 00:10 EDT 2014. Contains 244987 sequences.