Total number of graceful labelings of cubic graphs with 2n vertices.

A337965

Total number of graceful labelings of cubic graphs with 2n vertices.

Terms

    a(0) =0a(1) =1a(2) =5a(3) =222a(4) =22806a(5) =2988280a(6) =641731574a(7) =204154267353

External references