A206196 Number of (n+1)X8 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two

37735460, 35674679732, 34006136221640, 32327015669963752, 30663225851582320716, 29048689240586916141284, 27501116060342502948845780, 26027294273532996135747769404, 24628320993481612254311730982740

Offset

1,1

Comments

Column 7 of A206197

Links

R. H. Hardin, Table of n, a(n) for n = 1..167

Example

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

Crossrefs

Sequence in context: A286037 A034645 A204054 * A272517 A246232 A248710

Adjacent sequences: A206193 A206194 A206195 * A206197 A206198 A206199

Keyword

nonn

Author

R. H. Hardin Feb 04 2012

Status

approved