The Möbius function of the poset of all permutations, ordered by pattern containment, of length at most n, with an added top element.
A262751
The Möbius function of the poset of all permutations, ordered by pattern containment, of length at most n, with an added top element.
Terms
- a(0) =-1a(1) =1a(2) =-3a(3) =15a(4) =-97a(5) =709a(6) =-5469a(7) =44205a(8) =-397923a(9) =4296945
External references
- oeis: A262751