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A300971 Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
5, 450, 18996, 753471, 30679527, 1248976325, 50812633429, 2067233940661, 84103618035068, 3421674323063602, 139207488516226437, 5663521376722528177, 230414863126176476047, 9374204771915929025154, 381380410605336652719932 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A300973.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300973.

Sequence in context: A177026 A300544 A055305 * A300928 A221626 A332145

Adjacent sequences:  A300968 A300969 A300970 * A300972 A300973 A300974

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 17 2018

STATUS

approved

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Last modified October 26 08:00 EDT 2021. Contains 348267 sequences. (Running on oeis4.)