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

%I #4 Mar 15 2018 18:59:09

%S 3,129,3447,87561,2244335,57594572,1477281166,37892542998,

%T 971951600750,24930755913741,639478906822565,16402762675466111,

%U 420734164143854022,10791915992268202779,276814817305204046858,7100355778766419144128

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

%C Column 5 of A300930.

%H R. H. Hardin, <a href="/A300927/b300927.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A300927/a300927.txt">Empirical recurrence of order 64</a>

%F Empirical recurrence of order 64 (see link above)

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

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

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

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

%Y Cf. A300930.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 15 2018