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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A184500 1/12 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last 1

%I

%S 1248,4546,17077,66822,281876,1216766,5366312,24695528,114505124,

%T 534949496,2567370992,12316518616,59141443312,289367917056,

%U 1410929565184,6867521323040,33909820091856,166706262886704,817341247311824

%N 1/12 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last

%C Column 2 of A184505

%H R. H. Hardin, <a href="/A184500/b184500.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions with a(1,1)=0 for 6X4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 16 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 August 10 16:24 EDT 2022. Contains 356039 sequences. (Running on oeis4.)