A214237 Number of 0..7 colorings of an nX8 array circular in the 8 direction with new values 0..7 introduced in row major order

715, 318511707, 590331473158067, 1191956056605733224970, 2416270345816147538500406891

Offset

1,1

Comments

Column 7 of A214238

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=4
..0..1..2..0..1..0..1..2....0..1..0..1..2..0..1..2....0..1..0..1..0..1..0..1
..2..0..1..3..0..4..2..4....1..2..3..0..1..2..3..0....1..0..1..2..1..2..3..4
..0..4..2..4..1..3..4..5....0..1..0..4..0..4..5..4....4..5..0..6..4..5..4..6
..5..0..5..2..3..5..0..1....2..0..3..1..2..3..0..6....0..6..1..5..6..7..2..3

Crossrefs

Sequence in context: A208200 A208407 A208414 * A252467 A233629 A151631

Adjacent sequences: A214234 A214235 A214236 * A214238 A214239 A214240

Keyword

nonn

Author

R. H. Hardin Jul 08 2012

Status

approved