A234824 Number of (n+1)X(n+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases

69, 9207, 6566460, 24157113543, 449708506898208, 41871771443346465840, 19350145309183022128305720, 44147611144852903747954064790315, 495356111860226608697583545499495505848

Offset

1,1

Comments

Diagonal of A234832

Links

R. H. Hardin, Table of n, a(n) for n = 1..10

Example

Some solutions for n=2
..0..0..0....1..0..0....1..1..2....2..0..1....0..2..2....1..0..0....2..2..0
..2..2..2....2..0..1....1..2..2....0..0..0....1..0..0....1..1..2....2..2..0
..0..0..1....0..0..0....2..2..0....2..2..2....0..0..2....2..0..1....0..0..1

Crossrefs

Sequence in context: A264171 A297550 A049000 * A232719 A297807 A251002

Adjacent sequences: A234821 A234822 A234823 * A234825 A234826 A234827

Keyword

nonn

Author

R. H. Hardin, Dec 31 2013

Status

approved