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A228974 Number of nX4 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)X5 0..2 array. 0

%I

%S 81,6387,485397,32175213,2056956837,129504297807,8110003331559,

%T 506820492353703,31647512289810393,1975556815959556587,

%U 123306671912401161489

%N Number of nX4 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)X5 0..2 array.

%C Column 4 of A228977.

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 10 2013

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)