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A317150 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jul 22 2018 15:46:20

%S 16,94,389,2313,19580,120427,786868,5565982,37386216,251404385,

%T 1722010358,11697694067,79375389161,540651642191,3678216292153,

%U 25014927442397,170248905205895,1158541580615472,7883259866047483

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A317153.

%H R. H. Hardin, <a href="/A317150/b317150.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317153.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 22 2018

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Last modified April 17 20:27 EDT 2024. Contains 371767 sequences. (Running on oeis4.)