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A303100 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I

%S 5,601,19393,709333,25372284,906385523,32409609245,1158734336743,

%T 41428642572259,1481227171330646,52959204974173538,

%U 1893483989293507505,67698924831526337056,2420482299622384467005,86541028547861499552982

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A303102.

%H R. H. Hardin, <a href="/A303100/b303100.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303102.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2018

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Last modified January 28 14:26 EST 2022. Contains 350656 sequences. (Running on oeis4.)