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A220152 Number of nX7 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 nX7 array 0

%I #3 Dec 06 2012 05:45:42

%S 28,197,2841,53947,1272216,32566283,822242009,19788620178,

%T 451988194616,9825625746882,204030760833450,4061291243187050,

%U 77745303520858839,1435301691794275091

%N Number of nX7 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 nX7 array

%C Column 7 of A220153

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2012

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