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 A223912 Number of n X n 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing. 0
 3, 36, 666, 14123, 319156, 7526024, 183720802, 4620831232, 119279565646, 3149193338709, 84781194626719, 2321280055370071, 64493788929080253, 1814933493902398900, 51651065174273533812 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A223918. LINKS EXAMPLE Some solutions for n=3 ..0..0..1....2..1..0....1..1..2....0..0..0....0..0..0....1..0..0....0..1..0 ..1..1..1....2..1..0....1..1..2....1..0..0....0..1..0....1..1..0....2..1..1 ..1..2..1....2..2..2....1..2..2....1..0..0....1..1..0....2..1..0....2..1..1 CROSSREFS Cf. A223918. Sequence in context: A203493 A296098 A224256 * A224184 A241996 A006587 Adjacent sequences:  A223909 A223910 A223911 * A223913 A223914 A223915 KEYWORD nonn AUTHOR R. H. Hardin Mar 29 2013 STATUS approved

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Last modified August 14 18:13 EDT 2022. Contains 356122 sequences. (Running on oeis4.)