A209525 Number of nX6 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order

203, 193676, 687132348, 4194606038254, 31813625228165210, 258381047085271692456, 2141993311657850070458667, 17864055554315250609266434532, 149250234599404559427873678874309

Offset

1,1

Comments

Column 6 of A209527

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for n=5
..0..0..0..0..0..0....0..0..0..1..0..1....0..1..0..0..1..2....0..1..0..0..0..0
..1..2..1..2..1..3....1..2..1..3..0..2....0..2..2..1..2..0....0..2..2..1..2..3
..0..0..0..0..0..0....0..0..0..0..1..0....0..1..0..0..2..1....0..1..0..0..0..3
..4..5..4..5..6..1....1..2..1..2..2..0....1..3..1..2..1..0....1..4..4..1..2..2
..4..1..1..1..1..0....0..2..0..1..3..0....0..0..0..0..0..2....1..3..2..1..3..4

Crossrefs

Sequence in context: A188390 A209742 A209463 * A145635 A319783 A208306

Adjacent sequences: A209522 A209523 A209524 * A209526 A209527 A209528

Keyword

nonn

Author

R. H. Hardin Mar 10 2012

Status

approved