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A301351 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 3,96,1433,19561,264054,3579171,48476633,656551657,8891966361,

%T 120429031036,1631040103974,22090169338503,299180596463572,

%U 4051984713535809,54878491967075845,743252774514565327

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

%C Column 5 of A301354.

%H R. H. Hardin, <a href="/A301351/b301351.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..0..0..0. .0..0..0..0..0

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

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

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

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

%Y Cf. A301354.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 19 2018

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Last modified May 22 22:13 EDT 2022. Contains 353959 sequences. (Running on oeis4.)