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A301488 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 16,138,441,2354,15124,93753,594953,3838256,24838061,160839839,

%T 1042619839,6763367230,43889654521,284881447030,1849378643334,

%U 12006623942213,77953492723901,506129442739365,3286200443785495

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

%C Column 5 of A301491.

%H R. H. Hardin, <a href="/A301488/b301488.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A301491.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 22 2018

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Last modified October 22 19:55 EDT 2020. Contains 337954 sequences. (Running on oeis4.)