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A303201 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 19 2018 13:41:46

%S 32,42,122,497,1751,8250,34801,138014,547379,2363422,9950923,40646071,

%T 165726180,698032757,2923119363,12072924913,49765448651,207852058476,

%U 867405410380,3597782646113,14902213961792,62057837398724

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

%C Row 6 of A303197.

%H R. H. Hardin, <a href="/A303201/b303201.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%Y Cf. A303197.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 19 2018

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Last modified August 27 22:21 EDT 2024. Contains 375471 sequences. (Running on oeis4.)