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 A201065 Number of n X n 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. 0
 7, 70, 514, 22440, 2250982, 45244488, 1001060834, 1438433201164 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A201072. LINKS Table of n, a(n) for n=1..8. EXAMPLE Some solutions for n=4 ..0..0..2..2....0..1..1..1....0..0..3..3....0..1..1..3....0..0..3..3 ..1..1..4..4....0..2..2..4....0..2..3..4....0..2..4..6....0..2..4..4 ..1..3..5..6....3..3..4..5....1..2..5..6....1..2..4..6....1..2..5..6 ..3..5..5..6....5..6..6..6....1..4..5..6....3..5..5..6....1..3..5..6 CROSSREFS Cf. A201072. Sequence in context: A003363 A069542 A063416 * A043034 A015251 A299870 Adjacent sequences: A201062 A201063 A201064 * A201066 A201067 A201068 KEYWORD nonn AUTHOR _R. H. Hardin_ Nov 26 2011 STATUS approved

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Last modified March 5 03:04 EST 2024. Contains 370537 sequences. (Running on oeis4.)