A206324 Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases

673124, 81302880, 13817572060, 2402295361876, 419904864999804, 73493501930345884, 12867047450502167660, 2252845520588162061604, 394440987179669083025340, 69060121294917710202087484

Offset

1,1

Comments

Column 5 of A206327

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A068246 A359499 A068248 * A216000 A257360 A251884

Adjacent sequences: A206321 A206322 A206323 * A206325 A206326 A206327

Keyword

nonn

Author

R. H. Hardin Feb 06 2012

Status

approved