A302745 Number of 6 X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 2048, 86916, 3798398, 168833401, 7530280825, 336126343424, 15010834679441, 670378626187959, 29940446700420704, 1337202711481279800, 59722547584253923663, 2667347131443330301159, 119129941729951306756928

Offset

1,1

Comments

Row 6 of A302741.

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

Crossrefs

Cf. A302741.

Sequence in context: A302739 A299659 A300213 * A300802 A303454 A303460

Adjacent sequences: A302742 A302743 A302744 * A302746 A302747 A302748

Keyword

nonn

Author

R. H. Hardin, Apr 12 2018

Status

approved