A183283 - OEIS

A183283

Half the number of nXnXn triangular binary arrays with no element equal to a strict majority of its neighbors

%I #4 Mar 31 2012 12:35:50

%S 1,3,13,95,1172,23115,731731,37678191,3152365970,427558228844,

%T 94012737555793,33525147078249414,19388961595110711939

%N Half the number of nXnXn triangular binary arrays with no element equal to a strict majority of its neighbors

%e Some solutions for 6X6X6 with a(1,1)=0

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

%e ......0.1..........0.1..........0.1..........1.0..........1.1..........0.1

%e .....1.1.1........1.0.0........1.1.0........1.0.1........1.0.1........1.0.0

%e ....1.0.0.0......0.0.1.0......1.0.1.0......1.0.0.0......0.1.0.1......0.1.1.1

%e ...0.1.0.1.1....0.1.1.0.1....0.0.0.1.0....1.0.1.1.0....0.1.0.1.0....1.0.0.0.1

%e ..0.1.0.1.0.0..1.1.0.1.0.0..0.1.1.0.1.1..0.1.0.1.0.1..0.1.0.1.1.0..1.0.1.1.0.0

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 03 2011