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A199243
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 zero or two horizontal or vertical neighbors
0
6, 36, 110, 2907, 29227, 106134, 3190670, 34188947, 128653588, 4104988637, 45715625760, 175247135865, 5792733542191, 65791526001202, 255708129900506, 8623880506094423
OFFSET
1,1
COMMENTS
Column 5 of A199246
EXAMPLE
Some solutions for n=4
..0..1..0..2..1....0..1..0..2..1....0..1..2..0..1....0..1..2..0..1
..1..0..2..0..2....1..2..1..0..2....1..2..0..2..0....1..2..0..2..0
..2..1..0..2..0....2..1..0..2..0....2..0..2..1..1....0..1..2..0..1
..1..2..1..0..2....1..2..1..0..2....0..2..0..1..1....1..2..0..1..2
CROSSREFS
Sequence in context: A270205 A207443 A207437 * A172137 A061804 A207421
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
STATUS
approved