A237171 Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock equal

11242, 370670, 11560002, 398902424, 13627618416, 478901830764, 16855150746170, 600499615200180, 21468901089274602, 772498268337238268, 27879735104755129296, 1009875903601390694502, 36658174905188379461914

Offset

1,1

Comments

Column 3 of A237175

Links

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

Example

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

Crossrefs

Sequence in context: A256355 A135015 A104316 * A246248 A031630 A064870

Adjacent sequences: A237168 A237169 A237170 * A237172 A237173 A237174

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved