A325206 - cp's OEIS frontend

A325206 a(n) is the number of labeled rooted trees on a set of size n where each node has at most 7 neighbors that are further away from the root than the node itself.

n	a(n)
0	0
1	1
2	2
3	9
4	64
5	625
6	7776
7	117649
8	2097152
9	43046712
10	999999180
11	25937373990
12	743005653984
13	23297946618804
14	793707788417544
15	29192570114517810
16	1152902963147295360
17	48660197610533102880
18	2185856466420637543104
19	104124189019562479248624
20	5242691958381764070687360

[0, 1, 2, 9, 64, 625, 7776, 117649, 2097152, 43046712, 999999180, 25937373990, 743005653984, 23297946618804, 793707788417544, 29192570114517810, 1152902963147295360, 48660197610533102880, 2185856466420637543104, 104124189019562479248624, 5242691958381764070687360]

cp's OEIS Frontend

A325206 a(n) is the number of labeled rooted trees on a set of size n where each node has at most 7 neighbors that are further away from the root than the node itself.

Table of values

List of values