A237159 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal

81, 997, 25705, 1470317, 162748369, 36060137413, 14858103057089, 12205719127343193, 18568986704493659401, 57651677396633858812053

Offset

1,1

Comments

Diagonal of A237167

Links

Table of n, a(n) for n=1..10.

Example

Some solutions for n=3
..2..1..0..2....0..1..1..1....2..0..0..1....1..0..2..1....0..1..0..2
..2..1..0..2....1..0..2..2....1..1..1..2....2..1..1..2....2..1..2..0
..1..2..1..1....2..1..1..1....1..1..1..2....1..2..0..1....1..2..1..1
..0..1..2..2....1..2..0..0....2..0..0..1....2..1..1..0....2..1..2..2

Crossrefs

Sequence in context: A236885 A205729 A237226 * A183807 A264203 A236047

Adjacent sequences: A237156 A237157 A237158 * A237160 A237161 A237162

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved