A206627 Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order

14, 3232, 6885875, 130424683977, 21963397411445576, 32883690237686565806902, 437725944874306422735306779417, 51804179019799430182581262620045135320, 54508981434487150136168842178572782994896876244

Offset

1,1

Comments

Diagonal of A206635

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A279526 A208386 A064075 * A268179 A268002 A368022

Adjacent sequences: A206624 A206625 A206626 * A206628 A206629 A206630

Keyword

nonn

Author

R. H. Hardin Feb 10 2012

Status

approved