|
|
A225966
|
|
Number of permutations of [n] having exactly 5 strong fixed blocks.
|
|
2
|
|
|
1, 17, 187, 1725, 14770, 123810, 1049683, 9201893, 84765839, 830632443, 8737884632, 99283914256, 1222304625766, 16308650537598, 235329993989098, 3658770788460622, 61010416134839892, 1085940325012439060, 20537758641146194266, 410995800089222969774
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
13,2
|
|
COMMENTS
|
See A186373 for the definition of strong fixed blocks.
|
|
LINKS
|
|
|
FORMULA
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|