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A302307 Number of nX6 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
13, 113, 121, 663, 1595, 5715, 18990, 73663, 312122, 1468425, 7435015, 39732589, 220413622, 1252325938, 7234253383, 42220737525, 248052641109, 1463694696334, 8660691810640, 51336560128881, 304650450122309, 1809254624278226 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A302309.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302309.

Sequence in context: A300319 A199642 A087609 * A293873 A044345 A166573

Adjacent sequences:  A302304 A302305 A302306 * A302308 A302309 A302310

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 05 2018

STATUS

approved

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Last modified January 25 16:42 EST 2020. Contains 331245 sequences. (Running on oeis4.)