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A203034 Number of 4Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns 0
4, 356, 50716, 7788648, 1267847188, 219705087676, 39711390609500 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A203031
LINKS
EXAMPLE
Some.solutions.for.n=5
..2..3..3..1..1....2..2..3..3..2....3..1..1..0..2....2..2..0..0..3
..1..1..2..3..3....2..2..2..3..3....0..2..1..2..2....2..1..3..1..0
..0..3..1..3..3....1..2..3..3..3....3..1..2..1..0....0..1..1..3..2
..2..1..3..1..3....1..2..3..3..3....2..1..2..2..0....1..0..2..1..3
CROSSREFS
Sequence in context: A214182 A214233 A334359 * A215827 A366469 A051955
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 27 2011
STATUS
approved

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Last modified September 9 18:46 EDT 2024. Contains 375765 sequences. (Running on oeis4.)