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A239655 Number of 7Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4 1
258, 75540, 21813374, 6219477628, 1778793691226, 506611939408296, 144633234041629586, 41228312635698988592, 11764207025789049116296, 3354764803854586870996290, 957059647333850993834828574 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A239649
LINKS
EXAMPLE
Some solutions for n=2
..3..0....3..0....3..0....3..1....1..3....3..1....3..1....3..0....1..3....1..0
..3..1....3..0....3..0....3..1....1..0....2..1....3..1....3..1....1..3....2..0
..2..1....2..1....2..0....3..2....3..2....2..1....2..1....1..2....3..1....2..3
..1..2....1..0....1..0....1..3....1..0....3..2....1..2....3..2....1..3....2..3
..1..0....1..2....1..0....2..3....3..1....2..0....1..0....2..0....1..3....3..2
..2..0....2..3....3..1....3..2....1..2....1..2....3..1....1..2....3..1....3..1
..1..0....3..2....2..1....3..0....2..0....1..3....2..1....2..3....3..2....1..0
CROSSREFS
Sequence in context: A271038 A097734 A121915 * A246243 A066129 A101521
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 23 2014
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)