A235960 Number of (n+1)X(6+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise

2866, 48848, 681546, 8974124, 112308598, 1374773712, 16500794898, 195824119834, 2302059880080, 26894984140858, 312669763548608, 3622535721245624, 41859583600520154, 482790572082345160, 5560373260715567600

Offset

1,1

Comments

Column 6 of A235962

Links

R. H. Hardin, Table of n, a(n) for n = 1..126

Example

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

Crossrefs

Sequence in context: A233379 A192087 A286007 * A235571 A327376 A254587

Adjacent sequences: A235957 A235958 A235959 * A235961 A235962 A235963

Keyword

nonn

Author

R. H. Hardin, Jan 17 2014

Status

approved