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A199038
Number of nX5 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors
0
0, 29, 631, 86544, 3806692, 59029339, 7354780137, 330637303049, 5165845286283
OFFSET
1,2
COMMENTS
Column 5 of A199041
EXAMPLE
Some solutions for n=4
..0..1..2..1..1....0..0..1..2..2....0..1..2..2..1....0..0..0..1..1
..0..1..2..2..1....2..2..1..2..2....0..1..2..0..1....2..2..0..0..0
..0..0..0..0..2....0..0..0..1..1....0..1..1..0..2....1..2..2..2..0
..1..1..2..2..2....1..1..0..0..1....0..0..2..2..2....1..1..1..2..2
CROSSREFS
Sequence in context: A361930 A014929 A006136 * A182329 A329016 A072080
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved