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.

A007334 Number of spanning trees in the graph K_{n}/e, which results from contracting an edge e in the complete graph K_{n} on n vertices (for n>=2).

Table of values

n a(n)
2 1
3 2
4 8
5 50
6 432
7 4802
8 65536
9 1062882
10 20000000
11 428717762
12 10319560704
13 275716983698
14 8099130339328
15 259492675781250
16 9007199254740992
17 336755653118801858
18 13493281232954916864
19 576882827135242335362
20 26214400000000000000000

List of values

[1, 2, 8, 50, 432, 4802, 65536, 1062882, 20000000, 428717762, 10319560704, 275716983698, 8099130339328, 259492675781250, 9007199254740992, 336755653118801858, 13493281232954916864, 576882827135242335362, 26214400000000000000000]