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A228975 Number of nX5 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X6 0..2 array. 1

%I #8 Sep 13 2013 21:43:07

%S 243,55887,11824875,2056956837,340872730929,55502388155025,

%T 8985215719785555,1451684774711834475,234373576090867144155,

%U 37829975012047436974383,6105548110977416767680447

%N Number of nX5 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X6 0..2 array.

%C Column 5 of A228977.

%H R. H. Hardin, <a href="/A228975/b228975.txt">Table of n, a(n) for n = 1..41</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 10 2013

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)