|
| |
|
|
A159735
|
|
Number of permutations of 5 indistinguishable copies of 1..n arranged in a circle with exactly 3 local maxima.
|
|
1
|
|
|
|
0, 120, 104160, 43965760, 14780546400, 4552085003160, 1344988823772440, 387866444580875520, 109997436597621865920, 30801926079814805641600, 8538476664330640027144320, 2347317237607372501196513280, 640818430658412951758052362240, 173908317523621059703082725693440
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
|
|
|
PROG
|
(PARI) \\ CircPeaksBySig defined in A334778.
a(n) = {CircPeaksBySig(vector(n, i, 5), [3])[1]} \\ Andrew Howroyd, May 14 2020
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
|
|
|
STATUS
|
approved
|
| |
|
|
