A206062 Number of (n+1)X8 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases

114770680, 805817696, 8150091296, 144759802024, 4049733446192, 116754537442024, 3548796740666104, 104913330043385544, 3100102797454726928, 94947677256651902408, 2808896482891396276872, 82969400940350314916464

Offset

1,1

Comments

Column 7 of A206063

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Formula

Empirical: a(n) = 26761*a(n-3) +573*a(n-5) for n>16

Example

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

Crossrefs

Sequence in context: A112018 A216010 A206751 * A157770 A195282 A186804

Adjacent sequences: A206059 A206060 A206061 * A206063 A206064 A206065

Keyword

nonn

Author

R. H. Hardin Feb 03 2012

Status

approved