A236091 Number of (n+1)X(3+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock

1512, 10912, 78302, 495192, 3614408, 26325004, 206365422, 1454459216, 10985640382, 80383145484, 626774654196, 4468370392240, 33997638890602, 247543561906284, 1918825277120984, 13754342536537496, 105029720988794420

Offset

1,1

Comments

Column 3 of A236096

Links

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

R. H. Hardin, Empirical recurrence of order 73

Formula

Empirical recurrence of order 73 (see link above)

Example

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

Crossrefs

Sequence in context: A248718 A255334 A255778 * A239175 A037150 A276291

Adjacent sequences: A236088 A236089 A236090 * A236092 A236093 A236094

Keyword

nonn

Author

R. H. Hardin, Jan 19 2014

Status

approved