A229102 Number of nX3 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)X4 0..3 array.

64, 4096, 257984, 14747432, 818683176, 44773333904, 2433605818736, 131915396019176, 7141796191458336, 386438860570431088, 20904827192341195056, 1130743207081341112720, 61158890053428524474288

Offset

1,1

Comments

Column 3 of A229105.

Links

R. H. Hardin, Table of n, a(n) for n = 1..37

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

Crossrefs

Sequence in context: A223567 A223580 A267971 * A222934 A267994 A089357

Adjacent sequences: A229099 A229100 A229101 * A229103 A229104 A229105

Keyword

nonn

Author

R. H. Hardin, Sep 13 2013

Status

approved