cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A055316 Number of labeled trees with n nodes and 4 leaves.

Table of values

n a(n)
5 5
6 210
7 5250
8 109200
9 2116800
10 40219200
11 768398400
12 14968800000
13 299675376000
14 6193291104000
15 132456516192000
16 2935293064704000
17 67432408243200000
18 1605928737853440000
19 39636028549877760000
20 1013303686405570560000
21 26816358272375992320000
22 734112975329750016000000

List of values

[5, 210, 5250, 109200, 2116800, 40219200, 768398400, 14968800000, 299675376000, 6193291104000, 132456516192000, 2935293064704000, 67432408243200000, 1605928737853440000, 39636028549877760000, 1013303686405570560000, 26816358272375992320000, 734112975329750016000000]