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!)
A316761 Number of n X 6 0..1 arrays with every element unequal to 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #6 Apr 21 2021 11:10:02

%S 0,209,543,13970,219766,2605126,42857655,625815905,9056077433,

%T 136026736962,2004483319976,29615538284610,438915883221742,

%U 6489946080203116,96024769562322931,1420977983595140044

%N Number of n X 6 0..1 arrays with every element unequal to 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A316763.

%H R. H. Hardin, <a href="/A316761/b316761.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316763.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 12 2018

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 April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)