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A199100
Number of nX7 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 two or fewer horizontal or vertical neighbors
0
105, 113010, 40210161, 115707966228, 123022787797053, 46438726281827509
OFFSET
1,1
COMMENTS
Column 7 of A199101
EXAMPLE
Some solutions for n=3
..0..1..1..0..2..2..0....0..1..2..1..1..2..2....0..1..2..2..0..1..0
..0..1..1..2..1..1..1....0..1..1..2..2..0..0....0..1..1..0..2..1..2
..0..0..0..2..2..2..2....0..0..0..1..2..1..2....0..0..1..2..2..1..2
CROSSREFS
Sequence in context: A305146 A304644 A171116 * A225217 A096150 A068256
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved