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!)
A280159 Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1

%I #4 Dec 27 2016 09:22:02

%S 8,92,950,7628,58852,434790,3138340,22348406,157294986,1097158250,

%T 7598014364,52296147282,358119530526,2441393217986,16579221466148,

%U 112199621622362,756987753165838,5093205986747148,34183505883347834

%N Number of nX6 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A280161.

%H R. H. Hardin, <a href="/A280159/b280159.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A280161.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 27 2016

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 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)