A236599 Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock.

25950, 1110784, 44087440, 1595240268, 59688228619, 2315388775024, 89774785525354, 3424646807835844, 130966150540253400, 5036882571896769800, 193782645606131337716, 7431681994199941204748, 285116877061773530708610

Offset

1,1

Comments

Column 3 of A236601

Links

R. H. Hardin, Table of n, a(n) for n = 1..154

Example

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

Crossrefs

Sequence in context: A384794 A003927 A238043 * A326931 A385357 A235195

Adjacent sequences: A236596 A236597 A236598 * A236600 A236601 A236602

Keyword

nonn

Author

R. H. Hardin, Jan 29 2014

Status

approved