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A219598 Number of 5Xn 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 5Xn array 1

%I #4 Nov 23 2012 13:50:47

%S 15,87,705,4350,26006,156964,939006,5466749,30837420,168947111,

%T 901097968,4680202369,23651533225,116192356397,554663937245,

%U 2572846819549,11600123422679,50863765123285,217051630988778,902189285684499

%N Number of 5Xn 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 5Xn array

%C Row 5 of A219595

%H R. H. Hardin, <a href="/A219598/b219598.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 23 2012

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)