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 A203037 Number of 7Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns 0
 4, 20228, 77256180, 539443637988, 4274880689220682 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A203031 LINKS EXAMPLE Some.solutions.for.n=4 ..0..1..3..0....1..0..0..1....2..2..1..1....0..0..0..3....2..0..3..0 ..1..2..0..1....0..2..0..0....2..0..1..3....0..1..1..1....0..2..1..2 ..1..3..0..0....1..1..0..0....2..3..0..1....0..2..0..1....0..2..1..2 ..0..2..0..2....2..0..0..0....1..2..2..1....2..0..1..0....1..0..2..2 ..0..3..0..1....0..0..2..0....2..2..1..1....1..0..0..2....1..0..3..1 ..1..3..0..0....1..0..0..1....0..2..1..3....1..1..1..0....0..1..1..3 ..3..0..0..1....0..0..2..0....1..2..0..3....2..0..0..1....1..2..0..2 CROSSREFS Sequence in context: A331667 A053015 A089210 * A241214 A034014 A217600 Adjacent sequences: A203034 A203035 A203036 * A203038 A203039 A203040 KEYWORD nonn AUTHOR R. H. Hardin Dec 27 2011 STATUS approved

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Last modified March 24 12:09 EDT 2023. Contains 361479 sequences. (Running on oeis4.)