A205439 Number of (n+1)X8 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order

698747, 493169259, 534222700494, 604991353523259, 687760437018264199, 782131966561958879310, 889483689986105362021688

Offset

1,1

Comments

Column 7 of A205440

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A114676 A319917 A205608 * A027829 A258129 A204496

Adjacent sequences: A205436 A205437 A205438 * A205440 A205441 A205442

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved