Number of permutations of [n] with exactly seven (possibly overlapping) occurrences of the generalized pattern 12-3.
A264456
Number of permutations of [n] with exactly seven (possibly overlapping) occurrences of the generalized pattern 12-3.
Terms
- a(0) =5a(1) =122a(2) =1960a(3) =25922a(4) =308912a(5) =3488684a(6) =38438284a(7) =420224213a(8) =4604712333a(9) =50891058160a(10) =569534211553
External references
- oeis: A264456