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!)
A305364 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 3,120,310,1532,7196,32765,163682,791180,3881007,19185785,94442736,

%T 466918841,2307509126,11405401174,56404226833,278908057093,

%U 1379320204745,6821594426465,33736893175669,166853365413519,825211552764054

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A305367.

%H R. H. Hardin, <a href="/A305364/b305364.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A305367.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 31 2018

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 28 13:34 EST 2022. Contains 350656 sequences. (Running on oeis4.)