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A219518 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array 1

%I #4 Nov 21 2012 05:10:24

%S 7,8,111,821,5799,37442,241413,1557761,9826087,59070992,337978798,

%T 1850253044,9729774437,49228958731,239944892209,1128409561360,

%U 5129688218941,22582954455191,96444280283840,400188527441697

%N Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array

%C Column 7 of A219519

%H R. H. Hardin, <a href="/A219518/b219518.txt">Table of n, a(n) for n = 1..146</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 21 2012

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)