Number of forests of labeled rooted trees of height at most 1, with n labels, seven of which are used for root nodes and any root may contain >= 1 labels.
A273657
Number of forests of labeled rooted trees of height at most 1, with n labels, seven of which are used for root nodes and any root may contain >= 1 labels.
Terms
- a(0) =877a(1) =26104a(2) =463212a(3) =6409320a(4) =76595310a(5) =832521096a(6) =8480449692a(7) =82506827832a(8) =776400941745
External references
- oeis: A273657