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A229100 Number of n X n 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(n+1) 0..3 array. 0
4, 256, 257984, 2868497664, 322730734532144, 372006541021912021312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A229105.

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

..0..0..1..2....0..0..1..1....0..0..0..0....0..0..1..2....0..0..0..0

..0..0..3..1....0..2..1..2....0..0..1..0....0..0..0..1....0..1..1..3

..2..0..0..2....0..1..2..3....3..2..0..3....3..2..2..2....1..0..1..0

CROSSREFS

Sequence in context: A206832 A206894 A207284 * A060757 A136807 A057156

Adjacent sequences:  A229097 A229098 A229099 * A229101 A229102 A229103

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 13 2013

STATUS

approved

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Last modified August 23 11:24 EDT 2019. Contains 326222 sequences. (Running on oeis4.)