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!)
A222323 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order 1

%I

%S 0,0,4,19,0,84,212,1366,1302,11152,21206,132937,213292,1337380,

%T 2647514,15028233,29622012,163019148,347100284,1830194472,3971385578,

%U 20474549872,45912542370,231923364114,527948983676,2633446191848,6087316332422

%N Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

%C Column 3 of A222328

%H R. H. Hardin, <a href="/A222323/b222323.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 15 2013

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 22 01:28 EST 2022. Contains 350481 sequences. (Running on oeis4.)