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!)
A305453 Number of nXn 0..1 arrays with every element unequal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 0

%I

%S 0,3,14,661,79810,25891309,23996865179,58862515324951,

%T 398828631091652367

%N Number of nXn 0..1 arrays with every element unequal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Diagonal of A305457.

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A305457.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jun 01 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 September 29 06:49 EDT 2022. Contains 357082 sequences. (Running on oeis4.)