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A239825 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, modulo 4 1
293, 78188, 28156167, 9807771898, 3347474694032, 1154988223050638, 399696014140196630, 138146553326582677362, 47759100046784529992245, 16518942523671833416785350, 5714008803899171208707626059 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A239819
LINKS
EXAMPLE
Some solutions for n=2
..3..0....2..0....3..0....3..2....3..0....2..3....2..0....2..0....3..2....3..2
..2..0....1..3....1..0....1..0....2..3....1..2....1..3....1..3....2..1....3..0
..1..3....3..2....2..0....3..1....1..2....3..1....1..3....3..2....3..2....1..2
..2..1....2..0....1..0....1..3....1..0....2..0....3..2....2..3....2..1....1..2
..3..0....3..1....3..0....3..2....1..0....2..0....3..0....2..0....2..1....3..0
..1..2....1..0....1..3....3..2....2..0....2..1....1..2....2..3....2..1....3..0
..3..2....2..0....2..3....2..0....2..1....2..1....3..0....2..1....2..0....1..2
CROSSREFS
Sequence in context: A241047 A085502 A108828 * A145206 A153579 A132187
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 27 2014
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)