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A206083
Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one
1
3258496, 482548752, 54618168204, 5940013254736, 632007271023440, 66942855421767116, 7076654901982089620, 747858545021411062480, 79025867321989092730124, 8350914701263735248657884
OFFSET
1,1
COMMENTS
Column 6 of A206085
LINKS
EXAMPLE
Some solutions for n=4
..2..2..3..1..2..3..3....3..3..0..0..2..1..3....2..2..3..0..0..1..0
..3..2..3..1..2..2..3....2..3..0..2..2..1..2....3..3..3..3..0..1..0
..3..2..3..1..1..2..2....2..3..0..2..3..1..2....0..3..0..3..0..1..1
..2..2..3..1..2..2..0....2..3..0..2..3..1..1....3..3..3..3..0..0..0
..2..3..3..1..1..2..3....2..3..0..2..3..3..1....0..1..1..3..0..3..3
CROSSREFS
Sequence in context: A219335 A203731 A138360 * A199634 A203987 A357755
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 03 2012
STATUS
approved