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A199089
Number of 4nX2 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to exactly one horizontal or vertical neighbor
1
5, 709, 127973, 26249645, 5813473253, 1354962283005, 327517079413293, 81354547180103625, 20640739602876893733, 5326171952368494472061, 1393506059395687309946181, 368808221492178082683574433
OFFSET
1,1
COMMENTS
4n terms of column 2 of A199092
LINKS
EXAMPLE
Some solutions for 12X2
..0..1....0..1....0..1....0..0....0..0....0..1....0..1....0..1....0..1....0..1
..0..1....0..1....0..1....1..1....1..1....0..1....0..1....0..1....0..1....0..1
..2..3....2..2....2..0....2..0....2..2....2..2....2..3....2..2....2..3....2..2
..2..3....1..1....2..0....2..0....3..0....3..1....2..3....3..3....2..3....3..3
..3..0....3..0....3..3....3..3....3..0....3..1....1..1....0..0....3..1....2..2
..3..0....3..0....2..0....1..1....1..1....2..2....3..3....1..1....3..1....1..1
..2..1....2..2....2..0....2..2....3..2....3..3....2..2....3..3....0..0....3..3
..2..1....1..3....3..1....3..3....3..2....0..2....0..3....0..0....2..2....0..0
..1..3....1..3....3..1....2..2....1..1....0..2....0..3....2..2....1..1....2..3
..1..3....3..2....2..2....3..1....3..3....1..1....2..1....1..3....0..0....2..3
..2..2....3..2....3..1....3..1....2..0....3..0....2..1....1..3....3..2....1..0
..0..0....0..0....3..1....0..0....2..0....3..0....0..0....2..2....3..2....1..0
CROSSREFS
Sequence in context: A201005 A255912 A213932 * A345357 A260481 A157281
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved