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 A298094 Number of n X n 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 0

%I

%S 0,1,0,3,5,847,16212,6915147,2015018055,4040561643423

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

%C Diagonal of A298100.

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A298100.

%K nonn

%O 1,4

%A _R. H. Hardin_, Jan 12 2018

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Last modified November 28 10:24 EST 2021. Contains 349401 sequences. (Running on oeis4.)