A303473 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 2048, 39098, 872026, 19374638, 427097893, 9459086839, 209307775365, 4631027050408, 102476059849475, 2267535893974609, 50174934890184604, 1110249088638046980, 24567091613015417289, 543609599779313016247

Offset

1,1

Comments

Row 6 of A303469.

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

Crossrefs

Cf. A303469.

Sequence in context: A302969 A302073 A302812 * A208713 A305521 A316958

Adjacent sequences: A303470 A303471 A303472 * A303474 A303475 A303476

Keyword

nonn

Author

R. H. Hardin, Apr 24 2018

Status

approved