A205463 Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor

1285076, 177411808, 31625643196, 5649505038240, 1002427910938748, 178097908817359584, 31646417127980445980, 5622608157648351746032, 998989343977996317875992, 177494036170870526426806232

Offset

1,1

Comments

Column 5 of A205466

Links

R. H. Hardin, Table of n, a(n) for n = 1..43

Example

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

Crossrefs

Sequence in context: A205178 A205663 A205952 * A247583 A206749 A244563

Adjacent sequences: A205460 A205461 A205462 * A205464 A205465 A205466

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved