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A299802

Number of n X 4 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

8, 29, 44, 174, 1059, 4543, 19006, 90935, 415860, 1821116, 8281563, 37840058, 169690779, 765458993, 3473496708, 15681388496, 70764478960, 320122212475, 1446927261825, 6535284368566, 29537875113555, 133507944740638

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OFFSET

1,1

COMMENTS

Column 4 of A299806.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 66

FORMULA

Empirical recurrence of order 66 (see link above).

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299806.

Sequence in context: A035339 A034167 A299011 * A299678 A300310 A171442

Adjacent sequences: A299799 A299800 A299801 * A299803 A299804 A299805

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 19 2018

STATUS

approved

URL: https://oeis.org/A299802

⇱ A299802 - OEIS