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A302425 Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 07 2018 17:20:28

%S 13,65,88,235,1359,4231,12527,49454,179252,587281,2082252,7515919,

%T 25867500,90085908,319677011,1117899288,3899010020,13715991402,

%U 48120168332,168313465520,590354141418,2071069227598,7254935551371

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A302427.

%H R. H. Hardin, <a href="/A302425/b302425.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A302427.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 07 2018

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Last modified August 18 14:36 EDT 2024. Contains 375269 sequences. (Running on oeis4.)