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A301447 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Mar 21 2018 11:54:27

%S 16,401,5930,91370,1423344,22207589,346263718,5399605493,84198470831,

%T 1312961721912,20473797385819,319260349892947,4978419327889986,

%U 77631501971204037,1210554922385559732,18876914499872038074

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A301450.

%H R. H. Hardin, <a href="/A301447/b301447.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A301450.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 21 2018

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