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A240399
Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4
1
8, 1184, 48826, 1314136, 27938412, 502139307, 8505203924, 129986039476, 1866231371425, 25064986328911, 321447302724210, 3937428233396558, 46182406835583776, 518522310991918951, 5587970755536084736
OFFSET
1,1
COMMENTS
Row 7 of A240394
LINKS
EXAMPLE
Some solutions for n=4
..3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0
..3..2..0..0....1..0..0..0....3..2..0..0....1..0..0..0....3..0..0..0
..1..2..0..0....3..0..0..0....1..0..0..0....3..2..0..0....1..2..0..0
..3..2..0..0....1..2..2..0....1..2..0..0....3..0..2..0....1..0..2..0
..1..0..2..2....3..0..2..2....3..2..3..2....1..0..2..2....3..0..0..0
..1..0..2..1....3..0..0..2....3..2..2..1....1..0..2..2....3..2..2..2
..3..0..0..1....1..2..0..2....1..0..0..2....3..1..2..0....1..2..2..0
CROSSREFS
Sequence in context: A201985 A301614 A180767 * A160008 A251699 A162139
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved