Sum of the distances from a fixed node (root) to the next node in all non-crossing graphs on n nodes on a circle.
A143020
Sum of the distances from a fixed node (root) to the next node in all non-crossing graphs on n nodes on a circle.
Terms
- a(0) =1a(1) =5a(2) =31a(3) =218a(4) =1658a(5) =13293a(6) =110675a(7) =947870a(8) =8297926a(9) =73924162a(10) =668038006a(11) =6108962580a(12) =56426393268a(13) =525673683069
External references
- oeis: A143020