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A219684 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array 1

%I #4 Nov 25 2012 04:50:05

%S 21,32,452,5031,44736,344926,2706117,22404783,187497531,1518906665,

%T 11728070120,86620862097,616844079105,4256996307319,28523072830335,

%U 185674613829792,1175484129892778,7248518396992789,43607030016608124

%N Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array

%C Column 6 of A219686

%H R. H. Hardin, <a href="/A219684/b219684.txt">Table of n, a(n) for n = 1..34</a>

%e Some solutions for n=3

%e ..2..2..2..1..0..0....1..1..0..0..0..0....2..0..0..0..0..0....1..1..1..1..0..0

%e ..2..2..2..1..0..0....1..1..0..0..0..0....2..0..0..0..0..0....1..1..1..1..0..0

%e ..2..2..2..1..1..2....1..1..1..0..0..0....2..2..2..2..1..1....2..2..1..0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 25 2012

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Last modified March 28 03:28 EDT 2024. Contains 371235 sequences. (Running on oeis4.)