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!)
A299450 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 10 2018 10:30:05

%S 21,64,11,161,546,804,6326,19745,39495,290364,855008,2191987,14241405,

%T 41451856,129702347,739374632,2206681686,7939800765,40476006538,

%U 126433675843,496773451920,2321391370041,7652725646418,31537376314083

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299451.

%H R. H. Hardin, <a href="/A299450/b299450.txt">Table of n, a(n) for n = 1..177</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299451.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 10 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 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)