|
|
A232672
|
|
Number of (n+1)X(3+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally
|
|
1
|
|
|
1568, 63632, 3684840, 223396744, 12890094328, 754650484792, 44225213151124, 2584211741776292, 151186144890368760, 8844460675691412288, 517305659727029873604, 30259919841364860199036, 1770035563016359258183560
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 53 (see link above)
|
|
EXAMPLE
|
Some solutions for n=2
..2..0..2..1....1..0..2..2....2..0..0..0....0..1..0..0....2..1..0..0
..1..0..1..0....2..2..0..1....1..1..0..1....2..1..1..2....2..1..1..1
..1..2..2..0....0..1..1..2....2..2..2..2....1..0..0..2....2..2..2..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|