A300536 - OEIS

%I #4 Mar 08 2018 12:24:28

%S 1,40,122,1436,12951,124543,1220365,11917710,117661891,1157805789,

%T 11407820948,112395265481,1107421260675,10911738086085,

%U 107515951477034,1059389206361283,10438494390939726,102853864683542472

%N Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A300539.

%H R. H. Hardin, <a href="/A300536/b300536.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300539.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 08 2018