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A299578 Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 13 2018 11:23:48

%S 1,5,27,43,172,616,1734,6188,22944,81842,317791,1272121,5194355,

%T 21911799,94300422,411064631,1815604304,8084506399,36196458063,

%U 162816459110,734506580454,3320321522905,15033093954792,68133620377743

%N Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299581.

%H R. H. Hardin, <a href="/A299578/b299578.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299581.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 13 2018

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Last modified April 18 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)