login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of nX6 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
1

%I #4 Dec 15 2016 11:02:25

%S 40,15428,7630156,3684310576,1732429706176,800037452999320,

%T 364333887872124232,164074884296083732404,73218680852147959341596,

%U 32426575421603630303208340,14268836326027631533574123696

%N Number of nX6 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 6 of A279580.

%H R. H. Hardin, <a href="/A279578/b279578.txt">Table of n, a(n) for n = 1..61</a>

%e Some solutions for n=2

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

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

%Y Cf. A279580.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 15 2016