A205907 Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same

218034, 14747754, 900968550, 54239297565, 3239997622134, 193311671549253, 11531150817716439, 687972941078892735, 41053554906467576118, 2450149123223008268094, 146242537144665869218068

Offset

1,1

Comments

Column 6 of A205909

Links

R. H. Hardin, Table of n, a(n) for n = 1..153

Example

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

Crossrefs

Sequence in context: A019291 A205734 A205915 * A157377 A090873 A236040

Adjacent sequences: A205904 A205905 A205906 * A205908 A205909 A205910

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved