Total number of local maxima in all permutations of 2 indistinguishable copies of 1..n.
A334777
Total number of local maxima in all permutations of 2 indistinguishable copies of 1..n.
Terms
- a(0) =1a(1) =9a(2) =195a(3) =7140a(4) =396900a(5) =31185000a(6) =3291888600a(7) =449513064000
External references
- oeis: A334777