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!)
A317040 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 8,57,90,610,6188,35318,333207,4194626,41147020,427564765,4921133617,

%T 53673135073,581177979136,6470772304862,71529302005742,

%U 785927601982277,8688294337589738,96049615334637072,1059627092988600390

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A317043.

%H R. H. Hardin, <a href="/A317040/b317040.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317043.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 19 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 June 27 03:29 EDT 2022. Contains 354888 sequences. (Running on oeis4.)