The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Jan 24 2018 10:09:44
%S 3,23,23,85,177,431,876,2137,5002,11687,27591,64253,150967,353682,
%T 830580,1954490,4575013,10742553,25221766,59150366,138829820,
%U 325959550,764905062,1795278490,4214144288,9890202526,23212413440,54483362577
%N Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
%C Column 5 of A298660.
%H R. H. Hardin, <a href="/A298657/b298657.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..1..1. .0..0..0..1..0. .0..0..0..1..1. .0..1..1..1..0
%e ..1..0..1..0..0. .1..0..0..0..1. .1..0..0..0..0. .1..0..0..0..1
%e ..0..1..0..1..0. .1..0..0..0..0. .1..0..0..1..1. .1..0..0..1..0
%e ..1..0..1..0..0. .1..0..1..0..0. .0..0..0..1..0. .0..0..0..0..1
%e ..0..1..0..1..1. .0..1..0..1..0. .1..1..1..0..1. .1..1..1..1..0
%Y Cf. A298660.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 24 2018