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A306128 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 21,127,147,964,4441,21926,143839,968676,6409145,45379428,328326110,

%T 2360961270,17104751258,124782354715,911201231102,6655342338894,

%U 48670576300697,356230786023762,2607478451935215,19088148039180636

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A306129.

%H R. H. Hardin, <a href="/A306128/b306128.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A306129.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 22 2018

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Last modified October 4 19:10 EDT 2022. Contains 357239 sequences. (Running on oeis4.)