|
|
A278360
|
|
Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
|
|
1
|
|
|
20, 281, 3183, 34038, 366982, 4058169, 44208465, 451571539, 4213513472, 35702217342, 275765596545, 1955472740426, 12826024056862, 78357459733281, 448627173302773, 2420105832394544, 12358148308045511, 59981333718872012
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical polynomial of degree 63 (see link above)
|
|
EXAMPLE
|
Some solutions for n=4
..0..0..0..1..0. .0..1..1..0..1. .0..0..0..1..1. .0..0..1..0..1
..0..0..1..0..0. .1..0..0..0..0. .0..1..1..1..1. .0..0..1..0..1
..0..0..1..1..1. .1..0..1..0..1. .1..1..1..0..0. .0..1..1..0..0
..0..1..0..1..1. .1..0..1..1..0. .1..0..0..1..1. .1..1..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|