A237690 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal

5038, 44648, 408824, 4021892, 40288632, 418287818, 4418514021, 47970957966, 529234228994, 5972920589738, 68350297258483, 796609824373786, 9387787977650655, 112196010761065635, 1352091822449547149

Offset

1,1

Comments

Column 3 of A237694

Links

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

Example

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

Crossrefs

Sequence in context: A248986 A013534 A309034 * A290121 A269125 A111030

Adjacent sequences: A237687 A237688 A237689 * A237691 A237692 A237693

Keyword

nonn

Author

R. H. Hardin, Feb 11 2014

Status

approved