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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
81, 6387, 485397, 32175213, 2056956837, 129504297807, 8110003331559, 506820492353703, 31647512289810393, 1975556815959556587, 123306671912401161489
OFFSET
1,1
COMMENTS
Column 4 of A228977.
EXAMPLE
Some solutions for n=4
..0..0..0..2....0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..2....0..0..0..1....0..0..0..0....0..0..0..1....0..0..1..1
..0..2..0..2....0..0..1..0....0..0..0..2....1..0..1..0....2..2..2..0
..2..2..0..2....0..2..2..2....0..1..1..1....2..0..1..1....1..2..2..0
CROSSREFS
Sequence in context: A205887 A205199 A250612 * A178513 A016948 A206993
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 10 2013
STATUS
approved