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A316301 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Jun 29 2018 07:12:46

%S 16,64,110,339,1519,5120,19185,72289,268933,999260,3734414,13938869,

%T 52011659,194106983,724518526,2704073894,10092448889,37668514694,

%U 140591829599,524735645048,1958492581750,7309762480795,27282526699864

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A316304.

%H R. H. Hardin, <a href="/A316301/b316301.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316304.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 29 2018

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)