A236606 Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock

2269, 21814, 216432, 2192662, 22613889, 229977940, 2342679410, 23816075424, 243763361660, 2479046935412, 25312053125124, 257490589872160, 2631080784798550, 26769309443031508, 273355008108415708

Offset

1,1

Comments

Column 3 of A236610

Links

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

Example

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

Crossrefs

Sequence in context: A205586 A125253 A308792 * A251493 A235519 A235522

Adjacent sequences: A236603 A236604 A236605 * A236607 A236608 A236609

Keyword

nonn

Author

R. H. Hardin, Jan 29 2014

Status

approved