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A199520
Number of nX5 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 two or fewer horizontal or vertical neighbors
0
10, 6300, 2513869, 425836476, 1036302685728, 1049206835165446, 506637005741617919
OFFSET
1,1
COMMENTS
Column 5 of A199523
EXAMPLE
Some solutions for n=3
..0..1..1..2..1....0..1..2..3..2....0..1..2..3..0....0..1..1..2..3
..0..1..3..2..2....0..1..3..3..2....0..2..2..3..1....0..3..2..2..3
..0..2..0..3..3....1..0..1..2..3....0..3..3..1..1....0..2..0..3..1
CROSSREFS
Sequence in context: A348082 A117803 A356041 * A169621 A121787 A304437
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 07 2011
STATUS
approved