Number of length n inversion sequences avoiding the patterns 101 and 210.
A374547
Number of length n inversion sequences avoiding the patterns 101 and 210.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =103a(6) =513a(7) =2763a(8) =15816a(9) =95109a(10) =595873a(11) =3865396a(12) =25837360a(13) =177275162a(14) =1244621410a(15) =8918587896a(16) =65085848546a(17) =482852672433
External references
- oeis: A374547