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A297699 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1

%I #4 Jan 03 2018 12:32:32

%S 64,299,7526,61054,1070635,11111767,165522511,1927501851,26604800210,

%T 327032564064,4354757342684,54907563964508,718868376106746,

%U 9172788367453973,119137256617569975,1528743271057112564

%N Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.

%C Row 6 of A297694.

%H R. H. Hardin, <a href="/A297699/b297699.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A297694.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 03 2018

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)