A236874 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal

253269, 8629071, 268846043, 9850162103, 349860145439, 13357989313483, 503953627472071, 19686309634965721, 765600478209419871, 30293598550785786443, 1197129946817143406050, 47726805176701156066935

Offset

1,1

Comments

Column 7 of A236875

Links

R. H. Hardin, Table of n, a(n) for n = 1..46

Example

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

Crossrefs

Sequence in context: A255441 A210074 A230484 * A236163 A140967 A236443

Adjacent sequences: A236871 A236872 A236873 * A236875 A236876 A236877

Keyword

nonn

Author

R. H. Hardin, Feb 01 2014

Status

approved