A207795 Number of (n+1) X 5 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

184416, 11074704, 748331168, 51169273632, 3518595143968, 242220624640736, 16680713033508736, 1148811345615228256, 79121030418834528800, 5449257821732256157760, 375304130593754696515744

Offset

1,1

Comments

Column 4 of A207799.

Links

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

Example

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

Crossrefs

Sequence in context: A233956 A249232 A086478 * A228677 A268853 A024754

Adjacent sequences: A207792 A207793 A207794 * A207796 A207797 A207798

Keyword

nonn

Author

R. H. Hardin, Feb 20 2012

Status

approved