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A300678 Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
1, 10, 11, 28, 80, 245, 729, 2604, 8579, 27943, 95535, 322511, 1083870, 3675083, 12455625, 42129388, 142706185, 483725646, 1638434358, 5551260311, 18812259092, 63741708473, 215983981369, 731885089125, 2480017406380, 8403581958869 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A300682.

LINKS

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

R. H. Hardin, Empirical recurrence of order 82

FORMULA

Empirical recurrence of order 82 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300682.

Sequence in context: A136828 A136833 A056067 * A086458 A179856 A098795

Adjacent sequences:  A300675 A300676 A300677 * A300679 A300680 A300681

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 11 2018

STATUS

approved

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Last modified January 28 22:40 EST 2020. Contains 331328 sequences. (Running on oeis4.)