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A326162 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Jun 09 2019 08:40:16

%S 8,22,60,261,1136,5555,27902,142396,715457,3574752,17784402,88554024,

%T 441286737,2201585637,10988353869,54853491986,273813203273,

%U 1366709410340,6821393389228,34045549043276,169920411349023,848072514117158

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

%C Column 5 of A326165.

%H R. H. Hardin, <a href="/A326162/b326162.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A326165.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 09 2019

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)