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A300143 Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 26 2018 08:09:24

%S 0,48,41,1043,13182,78147,913701,11122233,99027295,1040222221,

%T 11562804608,115920303858,1201565662561,12820826904498,

%U 132650638961691,1378415327105920,14490731179701638,151067351451920960

%N Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A300146.

%H R. H. Hardin, <a href="/A300143/b300143.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..1..1..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

%Y Cf. A300146.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 26 2018

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)