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 A203324 Number of nX2 0..2 arrays with the row and column sums nondecreasing 1
 6, 32, 133, 510, 1792, 6050, 19641, 62471, 194925, 601743, 1839745, 5593544, 16923954, 51060524, 153682210, 461909664, 1386731666, 4160516211, 12476101149, 37401839918, 112103310741, 335973601041, 1006854198479, 3017347570591 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 2 of A203330 LINKS R. H. Hardin, Table of n, a(n) for n = 1..186 EXAMPLE Some solutions for n=5 ..2..2....0..2....1..2....2..0....0..2....1..2....2..1....2..1....1..2....0..1 ..2..2....1..1....2..2....0..2....0..2....1..2....1..2....2..1....1..2....2..0 ..2..2....2..0....2..2....2..0....2..0....2..1....1..2....1..2....1..2....2..1 ..2..2....0..2....2..2....0..2....0..2....1..2....1..2....1..2....1..2....1..2 ..2..2....2..2....2..2....0..2....1..2....2..1....1..2....1..2....1..2....1..2 CROSSREFS Sequence in context: A239573 A130410 A202807 * A027217 A245128 A121333 Adjacent sequences:  A203321 A203322 A203323 * A203325 A203326 A203327 KEYWORD nonn AUTHOR R. H. Hardin Dec 31 2011 STATUS approved

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Last modified August 10 13:12 EDT 2022. Contains 356039 sequences. (Running on oeis4.)