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A296951 Number of nX7 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s. 1

%I #4 Dec 22 2017 11:09:39

%S 13,608,5763,86139,1898178,29067775,482228052,8786244680,148081034460,

%T 2527093956658,44081436520906,756410616073885,13001520369777372,

%U 224610561730578221,3867018822679814785,66587006212100036798

%N Number of nX7 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s.

%C Column 7 of A296952.

%H R. H. Hardin, <a href="/A296951/b296951.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A296952.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 22 2017

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)