A206064 Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases

81, 606, 27654, 2991276, 759076386, 452464863480, 635039160433908, 2102329455182593428, 16435908654641541759006, 303684609739411084385625516, 13268777833680838626236831257044, 1371504097617322102693152060065678520

Offset

1,1

Comments

Diagonal of A206072

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

Some solutions for n=4
..0..1..0..2..1....1..1..2..0..2....1..2..2..0..0....0..1..2..0..2
..2..0..1..0..2....0..2..1..0..0....0..1..0..2..1....2..0..1..0..0
..0..1..0..1..0....2..1..0..2..1....2..0..2..0..2....1..2..0..2..1
..1..2..1..0..1....1..0..1..0..2....0..1..0..1..0....0..0..1..0..2
..2..0..2..1..2....0..1..2..1..0....1..0..2..0..1....1..0..2..1..0

Crossrefs

Sequence in context: A236490 A235437 A235432 * A359607 A016756 A182647

Adjacent sequences: A206061 A206062 A206063 * A206065 A206066 A206067

Keyword

nonn

Author

R. H. Hardin Feb 03 2012

Status

approved