The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Mar 11 2018 08:39:25
%S 1,10,11,28,80,245,729,2604,8579,27943,95535,322511,1083870,3675083,
%T 12455625,42129388,142706185,483725646,1638434358,5551260311,
%U 18812259092,63741708473,215983981369,731885089125,2480017406380,8403581958869
%N Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Column 4 of A300682.
%H R. H. Hardin, <a href="/A300678/b300678.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A300678/a300678.txt">Empirical recurrence of order 82</a>
%F Empirical recurrence of order 82 (see link above)
%e Some solutions for n=5
%e ..0..0..0..1. .0..1..1..0. .0..0..0..0. .0..0..1..1. .0..0..0..1
%e ..0..1..0..0. .1..0..1..1. .0..1..1..0. .0..1..1..0. .0..1..0..0
%e ..1..1..0..1. .1..1..0..1. .0..1..0..0. .0..0..0..0. .1..1..0..1
%e ..1..0..1..1. .1..0..0..1. .0..0..1..1. .0..1..1..0. .0..1..0..0
%e ..0..0..1..0. .1..1..1..1. .0..1..1..0. .1..1..0..0. .1..1..0..0
%Y Cf. A300682.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 11 2018