A206085 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one

124, 960, 960, 7308, 13672, 7308, 55864, 187144, 187144, 55864, 426596, 2567488, 4379116, 2567488, 426596, 3258496, 35195768, 101839532, 101839532, 35195768, 3258496, 24887884, 482548752, 2359157212, 3974151636, 2359157212, 482548752

Offset

1,1

Comments

Table starts

.......124.........960...........7308............55864..............426596

.......960.......13672.........187144..........2567488............35195768

......7308......187144........4379116........101839532..........2359157212

.....55864.....2567488......101839532.......3974151636........153755370824

....426596....35195768.....2359157212.....153755370824.......9872088702792

...3258496...482548752....54618168204....5940013254736.....632007271023440

..24887884..6615795040..1264215787012..229359164378264...40413288246801524

.190093096.90703800392.29260651415912.8855443936590808.2583686563767911744

Links

R. H. Hardin, Table of n, a(n) for n = 1..144

Example

Some solutions for n=4 k=3
..2..2..0..1....1..1..2..2....0..0..0..0....2..0..2..2....3..2..0..1
..3..2..0..0....1..2..2..0....3..0..1..1....3..0..0..0....0..2..0..1
..0..0..0..1....1..1..2..3....3..0..1..0....3..3..0..2....2..2..0..0
..1..3..0..0....3..1..2..2....3..0..0..0....3..0..0..2....1..2..2..0
..3..3..3..0....1..1..1..1....3..3..0..1....3..0..1..1....2..2..3..0

Crossrefs

Sequence in context: A230830 A038645 A038859 * A206078 A206197 A206190

Adjacent sequences: A206082 A206083 A206084 * A206086 A206087 A206088

Keyword

nonn,tabl

Author

R. H. Hardin Feb 03 2012

Status

approved