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A266015
Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself.
1
1, 1, 22, 14, 70, 154, 486, 1602, 5777, 10188, 28506, 101227, 267042, 698241, 2005275, 5355840, 15507088, 43713710, 117062325, 328169426, 927529600, 2543571216, 7113125250, 19776079964, 54664483400, 152873904217, 425365839757
OFFSET
1,3
COMMENTS
Row 5 of A266012.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0....1..1..2..2....0..1..1..0....0..1..1..0....1..1..2..2
..0..2..2..0....0..2..2..0....0..2..2..0....0..2..2..0....0..2..2..0
..2..2..1..0....0..1..2..2....2..2..1..1....2..2..1..1....0..1..1..0
..0..1..2..2....1..2..2..0....0..2..2..0....0..2..2..1....0..2..2..1
..0..2..2..0....0..1..1..0....2..2..1..1....2..2..1..0....2..2..1..0
CROSSREFS
Cf. A266012.
Sequence in context: A196030 A196027 A040464 * A070665 A161551 A291428
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 20 2015
STATUS
approved