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A220151 Number of nX6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array 1

%I #4 Dec 06 2012 05:45:21

%S 21,137,1413,16110,214767,3057777,42648602,564936966,7083618786,

%T 84318189822,956390845855,10375891940786,108038550060777,

%U 1082857046843897,10473029871107227,97945268899475975,887304577889584770

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

%C Column 6 of A220153

%H R. H. Hardin, <a href="/A220151/b220151.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2012

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)