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A298239 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 15 2018 09:46:00

%S 1,1192,8908,563826,25784604,1300110664,67668568376,3503621681315,

%T 183337397269876,9580139850529722,501450855511836431,

%U 26249321266812736651,1374275292682758982227,71956139835909994580006

%N Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

%C Column 7 of A298240.

%H R. H. Hardin, <a href="/A298239/b298239.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. .0..0..1..0..0..1..1. .0..0..1..1..1..1..1

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

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

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

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

%Y Cf. A298240.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 15 2018

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Last modified April 19 08:06 EDT 2024. Contains 371782 sequences. (Running on oeis4.)