|
| |
|
|
A293923
|
|
Number of linear chord diagrams having n chords and minimal chord length ten.
|
|
2
|
|
|
|
1, 1279, 210308, 16616820, 938674704, 44808906240, 1968764070096, 83741573885052, 3550701549583204, 152621531791333545, 6715538352190953498, 304192204692846166233, 14228203377114098086822, 688242816096454213285132, 34448710283688839203990152
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
10,2
|
|
|
LINKS
|
|
|
|
FORMULA
|
a(n) ~ (exp(-9) - exp(-10)) * 2^(n + 1/2) * n^n / exp(n). - Vaclav Kotesovec, Oct 25 2017
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
