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A297641 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s. 1

%I

%S 32,132,2344,16508,201152,2077060,25139952,285058636,3446395554,

%T 41660051879,510582745043,6254972020856,77167702934553,

%U 953549323372365,11801383201277642,146150584138651793,1811570479937473619

%N Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.

%C Row 5 of A297637.

%H R. H. Hardin, <a href="/A297641/b297641.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A297637.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 02 2018

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Last modified January 17 17:47 EST 2022. Contains 350402 sequences. (Running on oeis4.)