A237510 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

406008, 8478776, 180995914, 5108133318, 144998701422, 3611534827808, 88843850463838, 2344108248402268, 62644932397367872, 1607062050538585440, 41006920324333329004, 1065930791651847733188, 27933417550829873111470

Offset

1,1

Comments

Column 7 of A237511

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A254892 A204764 A252626 * A234375 A237919 A363160

Adjacent sequences: A237507 A237508 A237509 * A237511 A237512 A237513

Keyword

nonn

Author

R. H. Hardin, Feb 08 2014

Status

approved