|
| |
|
|
A186066
|
|
Number of (n+2)X5 0..2 arrays with each 3X3 subblock having a positive determinant
|
|
1
|
|
|
|
1119798, 73704654, 4397457795, 247063804348, 14979356975339, 883392377522107, 51270569990003466, 3057441104713811514, 180521405451576931323, 10542829305586149638446, 625192383944271526112188
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for 4X5
..0..1..2..1..1....0..2..2..1..0....1..1..2..2..2....0..2..2..0..2
..0..0..1..2..0....0..0..1..2..1....0..0..2..2..0....0..0..1..2..1
..1..0..0..1..2....2..0..0..2..2....1..0..0..1..1....1..0..0..1..1
..0..2..0..0..2....0..2..0..1..2....0..2..0..1..2....0..1..0..0..1
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
