A205933 Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards

28259556, 29707151720, 24368030395844, 16821962566961468, 10397256424705262728, 5953229517409280684864

Offset

1,1

Comments

Column 6 of A205935

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A216903 A114681 A214134 * A101639 A213914 A345629

Adjacent sequences: A205930 A205931 A205932 * A205934 A205935 A205936

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved