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!)
A279654 Number of n X 5 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1

%I #6 Oct 01 2021 16:37:10

%S 6,2301,498424,104452983,20868369045,4019412007893,752482408442895,

%T 137719420200247895,24744070379925587645,4378007968693978606989,

%U 764623509128530468601823,132067564962849366292483599

%N Number of n X 5 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A279657.

%H R. H. Hardin, <a href="/A279654/b279654.txt">Table of n, a(n) for n = 1..109</a>

%H R. H. Hardin, <a href="/A279654/a279654.txt">Empirical recurrence of order 42</a>

%F Empirical recurrence of order 42 (see link above).

%e Some solutions for n=2

%e ..0..0..1..0..2. .0..1..1..0..2. .0..1..1..1..2. .0..1..1..1..1

%e ..2..2..2..1..2. .1..2..2..1..1. .1..0..2..1..2. .2..1..2..2..1

%Y Cf. A279657.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 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 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)