A298767 - OEIS

%I #4 Jan 26 2018 08:28:34

%S 3,174,808,4288,23932,135243,754713,4245549,23848195,133798314,

%T 751604067,4222577179,23714049081,133198003207,748199961140,

%U 4202513392216,23605201896388,132590921168209,744758138601915,4183280457347730

%N Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298770.

%H R. H. Hardin, <a href="/A298767/b298767.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298770.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 26 2018