A236057 Number of (n+1)X(n+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock

81, 1784, 45987, 1189428, 44476077, 2530095488, 170968375846, 12437483904432, 1633760568071556

Offset

1,1

Comments

Diagonal of A236065

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A253306 A237801 A328683 * A205910 A236811 A206669

Adjacent sequences: A236054 A236055 A236056 * A236058 A236059 A236060

Keyword

nonn

Author

R. H. Hardin, Jan 18 2014

Status

approved