Number of connected regular linearized chord diagrams of degree n.
A022494
Number of connected regular linearized chord diagrams of degree n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =16a(6) =63a(7) =293a(8) =1561a(9) =9321a(10) =61436a(11) =442134a(12) =3446077a(13) =28905485a(14) =259585900a(15) =2485120780a(16) =25267283367a(17) =271949606805
External references
- oeis: A022494