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!)
A317269 Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 1,272,842,16877,269286,3234635,52389467,773668467,11290705493,

%T 170621554982,2539927769977,37874050523071,566519072518773,

%U 8458775423505580,126360722809445467,1887999263939269044

%N Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A317271.

%H R. H. Hardin, <a href="/A317269/b317269.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317271.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 25 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 03:50 EDT 2022. Contains 357082 sequences. (Running on oeis4.)