A237136 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal

1500, 22960, 333446, 5961802, 107652788, 2051159992, 39515565068, 773779308602, 15232283593258, 301531507839068, 5981589540936284, 118895839205017540, 2365157730203408808, 47083443075895155506, 937566972004613834906

Offset

1,1

Comments

Column 2 of A237142

Links

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

R. H. Hardin, Empirical recurrence of order 44

Formula

Empirical recurrence of order 44 (see link above)

Example

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

Crossrefs

Sequence in context: A184078 A098191 A253509 * A183786 A181599 A181706

Adjacent sequences: A237133 A237134 A237135 * A237137 A237138 A237139

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved