|
| |
|
|
A223972
|
|
Number of nX5 0..2 arrays with rows and antidiagonals unimodal
|
|
1
|
|
|
|
86, 7396, 440628, 22935921, 1140963027, 55803232969, 2708281019793, 131014406127439, 6329626912147424, 305632588672082728, 14754359445820013164, 712195518319828970133, 34376429801121343195388
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
FORMULA
|
Empirical recurrence of order 43 (see link above)
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..0..2..1..0....0..0..2..2..0....0..0..1..2..1....0..0..0..1..1
..1..2..1..1..0....0..2..2..2..2....1..1..1..1..2....0..0..2..2..2
..0..0..0..1..0....0..0..0..0..0....0..0..2..2..1....0..0..2..2..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
