A232074 - OEIS

A232074

Number of (n+1)X(6+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero

%I #4 Nov 17 2013 20:22:24

%S 2208,189404,18480458,1786680190,173086988636,16761785898550,

%T 1623332441842096,157213734438546256,15225588252754045874,

%U 1474543539136159332212,142804250145920967976120

%N Number of (n+1)X(6+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero

%C Column 6 of A232076

%H R. H. Hardin, <a href="/A232074/b232074.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 17 2013