Number of permutations of [n] that avoid the shuffle pattern s-k-t, where s = 1 and t = 132.
A324130
Number of permutations of [n] that avoid the shuffle pattern s-k-t, where s = 1 and t = 132.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =116a(6) =652a(7) =4178a(8) =30070a(9) =240164a(10) =2107606a(11) =20156458a(12) =208639514a(13) =2323794632a(14) =27709659880a(15) =352203163790
External references
- oeis: A324130