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A284451

Number of n X 4 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.

2, 0, 250, 3384, 54248, 824052, 12957944, 203401448, 3209101642, 50702668880, 801990075576, 12692871462160, 200953195066764, 3182000912440584, 50388819126999402, 797940889459632096, 12635596604122356028

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OFFSET

1,1

COMMENTS

Column 4 of A284455.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..187

EXAMPLE

Some solutions for n=4

..1..1..0..0. .0..0..1..1. .1..0..1..0. .0..1..1..1. .1..0..0..1

..0..0..0..0. .0..0..1..0. .0..1..0..1. .0..1..1..0. .1..0..0..0

..1..1..0..1. .0..1..0..1. .1..0..0..0. .0..0..0..1. .1..1..0..0

..0..0..1..1. .1..0..0..1. .1..1..0..0. .0..0..1..0. .1..1..1..0

CROSSREFS

Cf. A284455.

Sequence in context: A036938 A344463 A221750 * A348183 A012330 A012336

Adjacent sequences: A284448 A284449 A284450 * A284452 A284453 A284454

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 27 2017

STATUS

approved

URL: https://oeis.org/A284451

⇱ A284451 - OEIS