A237674 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

9647, 132572, 1915153, 30618976, 482106388, 7419017752, 114668103482, 1793614472940, 27996960383960, 434388537507724, 6749474606955534, 105134236900373020, 1637558709137710098, 25456188164250835364

Offset

1,1

Comments

Column 3 of A237677

Links

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

Example

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

Crossrefs

Sequence in context: A237231 A031627 A252128 * A183851 A238036 A204351

Adjacent sequences: A237671 A237672 A237673 * A237675 A237676 A237677

Keyword

nonn

Author

R. H. Hardin, Feb 11 2014

Status

approved