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 A268011 Number of 2 X n 0..n arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order. 2
 2, 14, 159, 3183, 88243, 3222467, 147078491, 8136718923, 533120818425, 40652888444126, 3558115295935814, 353411626588934284, 39458109882401312523, 4911875879772046994711, 676928473660605019065934, 102642489163273137689732441, 17030004137426738243093254421 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 2 of A268009. LINKS R. H. Hardin, Table of n, a(n) for n = 1..23 EXAMPLE Some solutions for n=5: ..0..0..1..2..2....0..1..2..0..3....0..0..1..2..2....0..1..1..2..1 ..2..2..1..3..2....2..3..3..2..4....2..0..3..1..2....1..2..0..2..0 CROSSREFS Cf. A268009. Sequence in context: A349312 A218295 A354242 * A052112 A354241 A364398 Adjacent sequences: A268008 A268009 A268010 * A268012 A268013 A268014 KEYWORD nonn AUTHOR R. H. Hardin, Jan 24 2016 STATUS approved

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Last modified July 24 07:21 EDT 2024. Contains 374575 sequences. (Running on oeis4.)