Number of reduced rearrangement patterns with n blocks.
A271214
Number of reduced rearrangement patterns with n blocks.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =71a(5) =653a(6) =7638a(7) =104958a(8) =1664083a(9) =29740057a(10) =591645738a(11) =12959409010a(12) =309898317151
External references
- oeis: A271214