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.

A046715 Secondary root edges in doubly rooted tree maps with n edges.

Table of values

n a(n)
0 0
1 1
2 10
3 105
4 1176
5 13860
6 169884
7 2147145
8 27810640
9 367479684
10 4936848280
11 67255063876
12 927192688800
13 12914469594000
14 181497968832600
15 2570903476583625
16 36671501616314400
17 526348636137670500
18 7597019633665077000
19 110205019733436728100

List of values

[0, 1, 10, 105, 1176, 13860, 169884, 2147145, 27810640, 367479684, 4936848280, 67255063876, 927192688800, 12914469594000, 181497968832600, 2570903476583625, 36671501616314400, 526348636137670500, 7597019633665077000, 110205019733436728100]