A237214 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal

4770, 37858, 316036, 2836058, 25995322, 245347820, 2348424370, 22810197506, 223516305332, 2208156420722, 21938009197806, 219061001513516, 2195886433761030, 22089516443087562, 222849010250257988

Offset

1,1

Comments

Column 3 of A237218

Links

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

Example

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

Crossrefs

Sequence in context: A031567 A031747 A125949 * A204727 A203546 A189183

Adjacent sequences: A237211 A237212 A237213 * A237215 A237216 A237217

Keyword

nonn

Author

R. H. Hardin, Feb 05 2014

Status

approved