A206326 Number of (n+1) X 8 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly three clockwise edge increases.

43848120, 23340152044, 18627016493468, 15397943280509136, 12867047450502167660, 10794194502778261468304, 9069132565961324534394832, 7624474056591556590163290412, 6411545009003861373134720468216

Offset

1,1

Comments

Column 7 of A206327.

Links

R. H. Hardin, Table of n, a(n) for n = 1..78

Example

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

Crossrefs

Cf. A206327.

Sequence in context: A017504 A017636 A139029 * A172718 A270611 A049360

Adjacent sequences: A206323 A206324 A206325 * A206327 A206328 A206329

Keyword

nonn

Author

R. H. Hardin, Feb 06 2012

Status

approved