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Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 23 2018 10:58:58

%S 64,8192,976132,116529645,13965759339,1673515027797,200493397340704,

%T 24020147098755633,2877772423900833546,344775872442750250950,

%U 41306367066392211719403,4948768734344656216522215

%N Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 7 of A303421.

%H R. H. Hardin, <a href="/A303426/b303426.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..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

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

%Y Cf. A303421.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 23 2018