A209526 Number of nX7 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order.

877, 4054358, 71519658191, 2002617518101082, 64398780661554524050, 2141993311657850070458667

Offset: 1

Author

R. H. Hardin Mar 10 2012

Keywords

• nonn

Comments

Column 7 of A209527

Examples

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