Number of permutations of [n] with exactly three (possibly overlapping) occurrences of the generalized pattern 12-3.
A264452
Number of permutations of [n] with exactly three (possibly overlapping) occurrences of the generalized pattern 12-3.
Terms
- a(0) =1a(1) =12a(2) =103a(3) =811a(4) =6273a(5) =48806a(6) =386041a(7) =3122069a(8) =25900188a(9) =220791812a(10) =1935811756a(11) =17461471292a(12) =162038542377
External references
- oeis: A264452