A296737 - OEIS

%I #4 Dec 19 2017 13:43:15

%S 21,881,13322,261354,5692727,114153198,2324267560,47816866681,

%T 977475485051,19995290562764,409424488722963,8379383231723319,

%U 171496319503906722,3510231619208724703,71845872758808645456

%N Number of nX6 0..1 arrays with each 1 adjacent to 1, 2 or 4 king-move neighboring 1s.

%C Column 6 of A296739.

%H R. H. Hardin, <a href="/A296737/b296737.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296739.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2017