Number of labeled trees on prime numbers of nodes through n-th prime.
A117897
Number of labeled trees on prime numbers of nodes through n-th prime.
Terms
- a(0) =1a(1) =4a(2) =129a(3) =16936a(4) =2357964627
External references
- oeis: A117897
A117897
Number of labeled trees on prime numbers of nodes through n-th prime.