|
|
A240787
|
|
Number of 6Xn 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order
|
|
1
|
|
|
32, 361, 2187, 15332, 106411, 746346, 5228820, 36701371, 257576121, 1808280738, 12694886397, 89128797051, 625760780302, 4393427783962, 30846025087421, 216568722650785, 1520521061879683, 10675526309057060, 74952512684267110
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 94 (see link above)
|
|
EXAMPLE
|
Some solutions for n=4
..0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..0
..0..0..1..0....1..0..1..1....0..1..0..1....0..1..0..1....0..1..0..0
..0..0..1..0....1..0..1..0....0..1..0..0....1..0..1..1....0..1..0..0
..0..0..1..1....0..1..1..0....1..1..0..0....0..1..1..1....0..1..0..1
..0..0..1..1....1..1..0..0....1..0..0..1....0..1..1..0....1..1..0..1
..1..0..1..0....1..1..0..0....1..0..1..0....0..1..1..0....1..1..0..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|