A237178 Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock

2061, 18062, 167387, 1580672, 15073049, 142485336, 1348599340, 12751872544, 120966824930, 1143637823692, 10839880803582, 102501566125996, 971783622838304, 9188727205480472, 87102047886157482, 823672388177489880

Offset

1,1

Comments

Column 3 of A237182

Links

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

Example

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

Crossrefs

Sequence in context: A202418 A069427 A357918 * A184227 A203351 A106719

Adjacent sequences: A237175 A237176 A237177 * A237179 A237180 A237181

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved