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!)
A241113 Number of nX7 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order 1

%I

%S 365,571530,744822776,978087593971,1283885768594047,

%T 1685292182142705704,2212193554836290644824,2903828647417685566144097,

%U 3811701111661594456829457851,5003416917134104852934943460035

%N Number of nX7 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order

%C Column 7 of A241114

%H R. H. Hardin, <a href="/A241113/b241113.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2014

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 May 21 08:29 EDT 2022. Contains 353889 sequences. (Running on oeis4.)