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Number of nX5 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
1

%I #4 Feb 04 2017 09:15:51

%S 0,88,7053,89414,938730,8777256,77613062,662453196,5524744676,

%T 45282954978,366289403756,2932084060000,23271806827672,

%U 183398526112180,1436667090150457,11196246075282394,86864485509399868,671279748380068196

%N Number of nX5 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A281988.

%H R. H. Hardin, <a href="/A281985/b281985.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A281988.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 04 2017