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!)
A316283 Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 0

%I #4 Jun 28 2018 15:29:39

%S 1,8,42,354,7973,205946,10464990,1363011634,297013482603,

%T 129932663244527

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

%C Diagonal of A316289.

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316289.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jun 28 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 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)