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A302886 Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 15 2018 10:48:09

%S 1,72,197,2278,20937,206332,2059835,20622709,206851726,2074817480,

%T 20813801262,208805076675,2094773339318,21015309692682,

%U 210831414476338,2115120771478292,21219498913842320,212880128570856741

%N Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A302889.

%H R. H. Hardin, <a href="/A302886/b302886.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302889.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 15 2018

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)