A236590 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock

2968, 80008, 2181116, 59464564, 1618144324, 44032289456, 1198678030904, 32632424118312, 888260075143676, 24178458609189628, 658161603799159464, 17915900619841392804, 487684497575036800836, 13275130575831961753824

Offset

1,1

Comments

Column 2 of A236592

Links

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

Example

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

Crossrefs

Sequence in context: A236005 A107534 A184079 * A255790 A252947 A272285

Adjacent sequences: A236587 A236588 A236589 * A236591 A236592 A236593

Keyword

nonn

Author

R. H. Hardin, Jan 29 2014

Status

approved