A303460 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 2048, 90800, 4136339, 189837638, 8727953509, 401712282811, 18493895768840, 851532898379546, 39209476319247800, 1805462141757826663, 83135813098208900937, 3828149922234369240279, 176274735527226134872745

Offset

1,1

Comments

Row 6 of A303456.

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

Crossrefs

Cf. A303456.

Sequence in context: A302745 A300802 A303454 * A301441 A302013 A302008

Adjacent sequences: A303457 A303458 A303459 * A303461 A303462 A303463

Keyword

nonn

Author

R. H. Hardin, Apr 24 2018

Status

approved