A238309 Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

85984, 2570594, 73547936, 2095353404, 60499288444, 1753568482738, 50670612949420, 1462889957511854, 42268524829620522, 1221720186835881882, 35302852126473381534, 1020006715783080630310, 29473663465626905494444

Offset

1,1

Comments

Column 4 of A238311

Links

R. H. Hardin, Table of n, a(n) for n = 1..136

Example

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

Crossrefs

Sequence in context: A179575 A234805 A186065 * A203388 A206657 A231322

Adjacent sequences: A238306 A238307 A238308 * A238310 A238311 A238312

Keyword

nonn

Author

R. H. Hardin, Feb 24 2014

Status

approved