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A240005
Number of 6Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
1
156, 5012, 83029, 1225281, 15981219, 191691132, 2090236137, 20967693050, 195664738888, 1709973352188, 14072972956499, 109646306877457, 811882008990473, 5734156428747664, 38755892651094582, 251427858506122705
OFFSET
1,1
COMMENTS
Row 6 of A240000
LINKS
EXAMPLE
Some solutions for n=3
..3..3..0....0..3..3....3..3..0....3..3..0....3..3..0....3..3..0....0..3..3
..2..2..3....0..0..2....0..2..1....2..2..3....3..2..3....0..3..1....0..0..2
..0..2..0....3..3..2....3..2..1....2..2..0....3..2..0....0..3..1....3..3..0
..2..0..0....0..3..2....3..3..1....0..0..0....0..2..0....0..2..1....3..3..2
..2..2..2....0..2..1....0..2..0....2..0..0....2..2..0....3..2..0....3..2..0
..0..0..2....0..2..2....2..0..0....2..2..2....2..0..2....3..1..2....0..2..0
CROSSREFS
Sequence in context: A263290 A275766 A023903 * A035838 A035824 A252778
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2014
STATUS
approved