A206072 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases

81, 150, 150, 537, 606, 537, 2052, 3330, 3330, 2052, 7878, 18534, 27654, 18534, 7878, 29760, 103194, 233058, 233058, 103194, 29760, 112236, 574182, 1967814, 2991276, 1967814, 574182, 112236, 423288, 3193722, 16608978, 38532894, 38532894

Offset

1,1

Comments

Table starts

.....81......150........537........2052..........7878...........29760

....150......606.......3330.......18534........103194..........574182

....537.....3330......27654......233058.......1967814........16608978

...2052....18534.....233058.....2991276......38532894.......496478790

...7878...103194....1967814....38532894.....759076386.....14970344658

..29760...574182...16608978...496478790...14970344658....452464863480

.112236..3193722..140136942..6395526408..295275611838..13684187500638

.423288.17762598.1182218562.82373437782.5823726851622.413929178183916

Links

R. H. Hardin, Table of n, a(n) for n = 1..364

Example

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

Crossrefs

Sequence in context: A153259 A369977 A207050 * A207043 A206065 A139705

Adjacent sequences: A206069 A206070 A206071 * A206073 A206074 A206075

Keyword

nonn,tabl

Author

R. H. Hardin Feb 03 2012

Status

approved