A201193 Number of nX6 0..2 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease

0, 80, 1005, 10723, 104429, 994581, 9782242, 98775535, 992953397, 9709526788, 91544747988, 832089697564, 7315961756006, 62484354188277, 520512891471809, 4244245429549164, 33977387060549017, 267729504066241307

Offset

1,2

Comments

Column 6 of A201195

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

Some solutions for n=4
..0..0..0..0..0..0....0..0..0..1..1..1....0..0..1..2..1..1....0..0..0..1..1..1
..0..1..2..1..1..2....0..0..1..2..2..1....2..2..2..2..2..2....0..0..0..2..2..1
..0..1..1..2..1..2....0..0..1..2..2..1....1..1..2..2..2..2....0..0..1..2..2..1
..1..1..1..1..1..2....0..2..1..2..2..2....1..2..2..2..2..2....0..0..1..2..2..2

Crossrefs

Sequence in context: A198400 A182680 A203347 * A264129 A223251 A251427

Adjacent sequences: A201190 A201191 A201192 * A201194 A201195 A201196

Keyword

nonn

Author

R. H. Hardin Nov 28 2011

Status

approved