Number of hyperforests with n labeled vertices when edges of size 1 are allowed (with no two equal edges), with at least one component of order 1.
A144937
Number of hyperforests with n labeled vertices when edges of size 1 are allowed (with no two equal edges), with at least one component of order 1.
Terms
- a(0) =2a(1) =4a(2) =32a(3) =368a(4) =6752a(5) =171648a(6) =5638656a(7) =227787008a(8) =10932927488a(9) =608031869952
External references
- oeis: A144937