|
|
A263962
|
|
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,0 1,1 or 1,2.
|
|
1
|
|
|
465, 23841, 3801496, 406984645, 51140612201, 6038706224797, 730020995021349, 87444873531787712, 10511065730167109021, 1261752818972546950617, 151539307218181858446417, 18196609267644669936450969
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
FORMULA
|
Empirical recurrence of order 82 (see link above)
|
|
EXAMPLE
|
Some solutions for n=2
..0..5..2..9..4....0..1..9..3..8....0..1..8..7..4....0..5..6..3..4
.11..6..3..1.13....2.13..4.11.12...12..2..3.11..9...11.10..1..2..9
.10..8.12..7.14...10..7..5..6.14...10..5..6.13.14....7..8.12.13.14
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|