A236598 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock

2596, 55000, 1110784, 21573924, 415734304, 8222889690, 162119665374, 3173047388586, 62026293752944, 1218379589339878, 23923936803869694, 469011538437221262, 9192752095369391452, 180350228842915903988

Offset

1,1

Comments

Column 2 of A236601

Links

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

Example

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

Crossrefs

Sequence in context: A269287 A204774 A251899 * A237163 A203257 A326260

Adjacent sequences: A236595 A236596 A236597 * A236599 A236600 A236601

Keyword

nonn

Author

R. H. Hardin, Jan 29 2014

Status

approved