A303529 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 42, 246, 1115, 9225, 102779, 1052163, 10663440, 122173279, 1457887585, 16618141169, 186784834355, 2163723243263, 25303642248607, 291288603195002, 3336138374158889, 38555143474838580, 446911479366972044

Offset

1,1

Comments

Row 6 of A303525.

Links

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

Example

Some solutions for n=5
..0..1..0..1..0. .0..0..1..0..1. .0..0..0..1..0. .0..0..1..0..1
..0..1..0..0..1. .0..1..0..0..1. .0..1..0..1..0. .0..1..0..0..1
..1..0..0..0..1. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0
..0..0..0..1..0. .0..1..0..1..0. .0..1..1..1..0. .0..1..0..1..0
..0..0..0..1..0. .1..1..0..1..0. .1..1..1..1..1. .1..1..0..1..0
..1..0..0..0..0. .0..1..0..0..0. .0..1..1..1..0. .0..1..0..1..0

Crossrefs

Cf. A303525.

Sequence in context: A302314 A303044 A302881 * A167528 A269230 A229115

Adjacent sequences: A303526 A303527 A303528 * A303530 A303531 A303532

Keyword

nonn

Author

R. H. Hardin, Apr 25 2018

Status

approved