Number of rooted identity trees with n nodes and 9-colored non-root nodes.

A255521

Number of rooted identity trees with n nodes and 9-colored non-root nodes.

Terms

    a(0) =0a(1) =1a(2) =9a(3) =117a(4) =1866a(5) =32553a(6) =603414a(7) =11654634a(8) =232034283a(9) =4728048201a(10) =98125181461

External references