A235782 Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise

17837, 922543, 40810011, 1647458581, 62858483545, 2297557298259, 81417506954285, 2807177530729381, 94579930555571527, 3116880738458727257, 100650790306039153473, 3186729302280492848855, 99037517137078388789631

Offset

1,1

Comments

Column 4 of A235784

Links

R. H. Hardin, Table of n, a(n) for n = 1..64

Example

Some solutions for n=1
..0..1..2..0..1....1..0..2..1..2....1..0..1..1..0....1..1..2..2..0
..1..2..1..0..2....0..0..0..1..1....1..2..1..1..0....1..1..1..0..2

Crossrefs

Sequence in context: A236649 A054472 A204742 * A235787 A235563 A188103

Adjacent sequences: A235779 A235780 A235781 * A235783 A235784 A235785

Keyword

nonn

Author

R. H. Hardin, Jan 15 2014

Status

approved