Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 2 local maxima.
A159737
Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 2 local maxima.
Terms
- a(0) =150a(1) =22680a(2) =2596608a(3) =273322980a(4) =27558217008
External references
- oeis: A159737