A236135 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock

2816, 67264, 1611168, 38691488, 929734720, 22330450944, 536187075776, 12875700181728, 309219609067072, 7426202632991648, 178338308747877632, 4282727643901356576, 102850031124264691520, 2469965449416602454624

Offset

1,1

Comments

Column 2 of A236137

Links

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

Example

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

Crossrefs

Sequence in context: A065668 A045147 A202375 * A179159 A248985 A236794

Adjacent sequences: A236132 A236133 A236134 * A236136 A236137 A236138

Keyword

nonn

Author

R. H. Hardin, Jan 19 2014

Status

approved