A236824 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal

6093, 109205, 1949236, 36874967, 701424751, 13643698414, 266389315989, 5258599354623, 104078580277828, 2072356525693189, 41343357985843129, 827681012692523870, 16593350093477339371, 333360416125702959021

Offset

1,1

Comments

Column 4 of A236828

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A204966 A252329 A156200 * A211929 A251994 A201225

Adjacent sequences: A236821 A236822 A236823 * A236825 A236826 A236827

Keyword

nonn

Author

R. H. Hardin, Jan 31 2014

Status

approved