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Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1

%I #4 Jan 25 2018 08:48:02

%S 0,10,63,346,3508,34704,309593,2960634,27934888,265454828,2518958779,

%T 23904132070,227038517931,2155865905516,20471559784593,

%U 194404183107602,1846100569583663,17531009460252304,166478738684389946

%N Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A298719.

%H R. H. Hardin, <a href="/A298716/b298716.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298719.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 25 2018