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!)
A298056 Number of n X n 0..1 arrays with every element equal to 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 0

%I

%S 0,4,0,11,441,474,11025,2461790,26389664,6708989807

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

%C Diagonal of A298063.

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A298063.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 11 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 May 22 16:42 EDT 2022. Contains 353957 sequences. (Running on oeis4.)