A236715 Number of (n+1) X (4+1) 0..2 arrays colored with the maximum plus the lower median of every 2 X 2 subblock.

9608, 68906, 380270, 2393308, 15926522, 110056116, 727209392, 4738099148, 32015122020, 217298090312, 1436274615496, 9517051552380, 64153905972422, 430393361987034, 2857464273227506, 19068459094766516, 127990721231873378

Offset

1,1

Comments

Column 4 of A236719.

Links

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

Example

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

Crossrefs

Sequence in context: A230020 A034626 A031596 * A233913 A031653 A253520

Adjacent sequences: A236712 A236713 A236714 * A236716 A236717 A236718

Keyword

nonn

Author

R. H. Hardin, Jan 30 2014

Status

approved