A206197 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 two

124, 1012, 1012, 8304, 18172, 8304, 68180, 329216, 329216, 68180, 559788, 5972392, 13173864, 5972392, 559788, 4596072, 108363344, 527945420, 527945420, 108363344, 4596072, 37735460, 1966171084, 21162670972, 46704516192, 21162670972

Offset

1,1

Comments

Table starts

.......124.........1012.............8304...............68180

......1012........18172...........329216.............5972392

......8304.......329216.........13173864...........527945420

.....68180......5972392........527945420.........46704516192

....559788....108363344......21162670972.......4131608458140

...4596072...1966171084.....848327900384.....365468694266436

..37735460..35674679732...34006136221640...32327015669963752

.309822148.647289744976.1363171550451384.2859398851677838652

Links

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

Example

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

Crossrefs

Sequence in context: A038859 A206085 A206078 * A206190 A251381 A251374

Adjacent sequences: A206194 A206195 A206196 * A206198 A206199 A206200

Keyword

nonn,tabl

Author

R. H. Hardin Feb 04 2012

Status

approved