A284226 Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

16, 212, 3224, 91260, 2417194, 68272108, 1970768869, 58014691963, 1729160628627, 52018078923533, 1575778726620949, 47999422848604301, 1468666472458499856, 45105520159013915517, 1389642013052702705342, 42928654746563598820849

Offset

1,1

Comments

Row 5 of A284222.

Links

R. H. Hardin, Table of n, a(n) for n = 1..80

Example

Some solutions for n=4
..0..0..1..1. .0..1..0..0. .0..0..1..1. .0..1..0..1. .0..0..1..1
..1..0..0..0. .1..0..0..0. .1..1..0..0. .1..1..0..0. .1..1..0..0
..1..1..1..0. .1..1..1..0. .0..1..0..1. .1..0..1..0. .0..0..0..0
..0..1..0..0. .1..1..1..1. .0..0..1..0. .0..1..1..1. .0..0..0..0
..1..0..1..1. .0..0..1..1. .1..0..1..0. .0..1..0..0. .1..1..1..0

Crossrefs

Cf. A284222.

Sequence in context: A222447 A059385 A009440 * A282395 A273588 A125473

Adjacent sequences: A284223 A284224 A284225 * A284227 A284228 A284229

Keyword

nonn

Author

R. H. Hardin, Mar 23 2017

Status

approved