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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 two elements, and with new values introduced in order 0 sequentially upwards.
1

%I #4 Mar 13 2017 09:53:41

%S 0,4,5432,165152,2674500,34315385,387076338,4014050010,39317379331,

%T 369759902284,3371682115858,30015060742182,262083811917932,

%U 2252442792021342,19103118198446027,160198738920887621

%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 two elements, and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A283666.

%H R. H. Hardin, <a href="/A283663/b283663.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..1..0..1. .0..0..1..0..1. .0..0..1..0..1

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

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

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

%Y Cf. A283666.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 13 2017