A303510 - OEIS

%I #4 Apr 25 2018 12:26:39

%S 16,136,801,7951,72890,613788,5520182,49761178,438900203,3913217575,

%T 35001959685,311226922346,2773389569852,24746739423770,

%U 220418350333049,1964392868647454,17514958932280674,156075467421913702

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A303513.

%H R. H. Hardin, <a href="/A303510/b303510.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303513.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 25 2018