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A219593 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array 1

%I #4 Nov 23 2012 13:46:33

%S 21,81,1188,14793,156964,1767430,21435360,259297241,2992271478,

%T 32522357305,335372829196,3312669542090,31487964667940,

%U 288434629481468,2549339374347045,21786411636714179,180452978644995861

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

%C Column 6 of A219595

%H R. H. Hardin, <a href="/A219593/b219593.txt">Table of n, a(n) for n = 1..19</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 23 2012

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)