51248domain: NAppears in sequencesNumber of n-node rooted trees of height 5.at n=15A000342Concatenate the terms of A027750 (omitting spaces and commas), chop into blocks of length 5, then omit any leading zeros.at n=10A362446a(n) = n! * Sum_{d|n} 1/((d-1)! * (n/d)^(d-1)).at n=7A370602