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A219806 Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 5Xn array 1

%I #4 Nov 28 2012 13:12:32

%S 35,57,958,9817,91972,794035,6627885,54254802,433569009,3357301666,

%T 25101189665,181388654645,1271440563481,8679127540090,57869399777572,

%U 377533402458933,2411930697680327,15098709865081104,92683212421700351

%N Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 5Xn array

%C Row 5 of A219802

%H R. H. Hardin, <a href="/A219806/b219806.txt">Table of n, a(n) for n = 1..105</a>

%e Some solutions for n=3

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

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

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

%e ..1..1..2....0..0..0....2..0..0....1..0..0....3..2..2....3..3..3....3..3..3

%e ..3..2..2....0..0..0....3..1..1....1..1..1....3..3..3....3..3..3....3..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 2012

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Last modified September 9 22:43 EDT 2024. Contains 375765 sequences. (Running on oeis4.)