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A298233 Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 0

%I #6 May 03 2020 15:46:27

%S 1,5,22,1156,107163,45356726,67668568376,329969482748272,

%T 5435912602052623963

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

%C Diagonal of A298240.

%e Some solutions for n=5

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

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

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

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

%e ..0..0..0..0..1. .0..1..0..1..1. .1..0..0..1..1. .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 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)