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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
OFFSET
1,1
COMMENTS
Column 6 of A300973.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 17 2018
STATUS
approved