Evolutionary trees of magnitude n.

A007152

Evolutionary trees of magnitude n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =28a(4) =301a(5) =4466a(6) =84974a(7) =1974904a(8) =54233540a(9) =1718280152a(10) =61695193880

External references