The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A232389 Number of (n+1)X(6+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal 1

%I #4 Nov 23 2013 08:00:44

%S 1954,12818,120264,1186624,12826278,148762628,1635435360,18724514604,

%T 216025821042,2453457767066,28292102153296,325997832652606,

%U 3735703343961348,43106844263842948,496279458752305216

%N Number of (n+1)X(6+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal

%C Column 6 of A232391

%H R. H. Hardin, <a href="/A232389/b232389.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013

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 17 17:07 EDT 2024. Contains 372603 sequences. (Running on oeis4.)