A236297 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median plus the minimum of every 2X2 subblock

3040, 85886, 2426656, 69129636, 1964531406, 55823555892, 1586691104376, 45108190615886, 1282164977752210, 36443548409921322, 1035893941730084796, 29445281778202254068, 836969782690818050452, 23790425584246814628008

Offset

1,1

Comments

Column 2 of A236299

Links

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

Example

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

Crossrefs

Sequence in context: A235666 A235427 A326416 * A297893 A035776 A108000

Adjacent sequences: A236294 A236295 A236296 * A236298 A236299 A236300

Keyword

nonn

Author

R. H. Hardin, Jan 21 2014

Status

approved