|
|
A223312
|
|
Number of nX3 0..1 arrays with successive rows and columns fitting to straight lines with nondecreasing slope, with a single point array taken as having zero slope
|
|
1
|
|
|
8, 26, 136, 454, 2096, 7490, 32536, 118190, 495984, 1829612, 7534896, 28093022, 114631272, 431107760, 1749879648, 6626934528, 26812323712, 102112441820, 412247828720, 1577225857288, 6357677720504, 24416496168472, 98306183091960
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
..0..0..0....1..0..0....1..0..0....1..1..0....1..0..0....0..0..0....1..1..0
..0..0..0....1..0..0....1..1..1....1..0..1....0..1..0....0..0..1....1..0..1
..0..0..0....0..0..0....1..1..1....1..0..1....1..1..1....0..1..1....0..0..0
..0..1..1....0..0..0....1..0..1....0..0..1....0..0..1....0..0..1....0..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|