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 A267736 Number of n X n arrays containing n copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0. 0
 1, 3, 17, 123, 1811, 55105, 3562990, 491779927 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A267742. LINKS Table of n, a(n) for n=1..8. EXAMPLE Some solutions for n=4 ..0..1..1..2....0..1..2..3....0..1..1..1....0..0..1..2....0..0..1..2 ..2..2..2..3....2..3..3..3....1..2..2..3....1..1..2..3....0..1..2..2 ..3..3..3..0....0..0..0..1....2..2..3..3....2..2..3..0....1..2..3..3 ..0..0..1..1....1..1..2..2....3..0..0..0....3..3..0..1....3..3..0..1 CROSSREFS Cf. A267742. Sequence in context: A074543 A216314 A330803 * A129115 A246963 A093460 Adjacent sequences: A267733 A267734 A267735 * A267737 A267738 A267739 KEYWORD nonn AUTHOR R. H. Hardin, Jan 20 2016 STATUS approved

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)