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A295250 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s. 1

%I

%S 24,327,4928,72745,1081924,16064421,238620900,3544087017,52640098668,

%T 781851094097,11612685209818,172480876774284,2561824309264414,

%U 38050266491011674,565153045441419558,8394105809782118020

%N Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.

%C Column 5 of A295253.

%H R. H. Hardin, <a href="/A295250/b295250.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A295253.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 18 2017

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Last modified January 28 20:57 EST 2022. Contains 350662 sequences. (Running on oeis4.)