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A302155 Number of 7 X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. 1

%I #6 Jun 26 2022 20:52:34

%S 64,1,260,1025,8152,128319,1728734,26544210,439103633,7478635467,

%T 131386907715,2344378104516,42235221450124,765312882037454,

%U 13907043370373429,253045503157946243,4606517701125024786

%N Number of 7 X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

%C Row 7 of A302150.

%H R. H. Hardin, <a href="/A302155/b302155.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

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

%Y Cf. A302150.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 02 2018

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)