A205368 Number of (n+1) X 7 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock the same.

7854572, 2448719840, 902946068592, 371408707521176, 157865438307512592, 67662059756253796792, 29055765895488898230908, 12482132396847549270985924, 5362542734305497264545849148, 2303836967068001961969622658548

Offset

1,1

Comments

Column 6 of A205370.

Links

R. H. Hardin, Table of n, a(n) for n = 1..23

Example

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

Crossrefs

Cf. A205370.

Sequence in context: A214194 A205657 A206186 * A235222 A239588 A210275

Adjacent sequences: A205365 A205366 A205367 * A205369 A205370 A205371

Keyword

nonn

Author

R. H. Hardin, Jan 26 2012

Status

approved