|
|
A302805
|
|
Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
|
|
1
|
|
|
16, 384, 5117, 74072, 1089773, 15904814, 232260380, 3396923500, 49653502029, 725819333902, 10610883930284, 155117154439613, 2267613174993517, 33149833862902867, 484610500065661957, 7084420896663049377
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 90 (see link above)
|
|
EXAMPLE
|
Some solutions for n=5
..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..1
..0..1..1..0..0. .1..1..1..1..1. .0..1..1..0..0. .0..1..1..1..0
..0..0..1..0..0. .1..0..0..0..1. .1..1..0..0..1. .1..0..0..1..0
..0..1..1..0..0. .0..0..0..1..0. .0..1..0..1..1. .1..0..1..1..0
..0..0..1..0..1. .1..1..1..1..0. .1..0..0..0..0. .1..0..1..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|